Made enough money in a week to head off to college today. Nightly news begins now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with brian williams. Good evening. Im lester holt sitting in for brian. The world can only stand by and watch in horror today as one of the most vital countries in the middle east spiralled deeper into chaos and maybe even civil war. In egypt, two days after hundreds of its supporters died in the face of a government crackdown, the Muslim Brotherhood made good on its promise to take to the streets again in what it billed as a day of rage. The outcome was the one many feared. Tonight an estimated 100 people are dead in cairo and other egyptian cities, and, once again, our Richard Engel was there to witness it all. He joins us now from cairo. Richard, good evening. Reporter good evening, lester. There are now open battles between supporters of egypts democratically elected president and the military who removed him. And today the two sides clashed violently here in cairo. In cairos aramsey square, just after three hours, it turned. Gunshots rang out, demonstrators set bonfires, prayed for strength, broke stones for ammunition, slid barricades into place, and ramsey square, named for egypts greatest pharaoh, became a front line. The protesters are taking cover under this elevated highway and seem to be taking life fire from a Police Station just up the road. Wounded were hoisted on to motorcycles and ferried to clinics. Some already looked dead. Egypt says its fighting its own war on terrorism and is running 24hour coverage, demonizing the Muslim Brotherhood. North of cairo, the army shot to kill. But in alexandria, thousands supported the pro0 testers. In ramsey square, we followed the wounded to a nearby field hospital. A mosque where some protest rz arrived barely alive. After chest compressions, we watched this man die. Medics closed another protesters eyes, wrote his name on his forehead, and made room for the next victim. Dr. Mohammed moonsef had been walking by the mosque when he came in to help. Im not with the Muslim Brotherhood. Just trying to save lives. Reporter as the doctor made his rounds, his son this man screamed that his son was shot in the neck. I think hes dead. Reporter moonsef called for an air pump but just after working for a minute, his initial assessment was correct. Reporter moonsef, himself a father, told the man his teenage son is now in heaven. From windows above the mosque, women looked down at what is happening in this ty, some stoic, others horrified. The situation now is so tense, lester, that, as we were on our way back to the bureau tonight, we were stopped at several different checkpoints where people were leaning into our car to see which side we were on, the Muslim Brotherhood or the military. And this could be repeating itself again and again. The Muslim Brotherhood is now calling for a week of daily protests. Richard, thank you. And the u. S. Has a lot riding on a democratic egypt, which it has long seen as a linchpin to its strategy for a secure and stable middle east. So what can the u. S. Do to put pressure on the Egyptian Government to end the violence . A lot, actually, so why wont it . Nbcs David Gregory tonight on the Obama Administration caught between a rock and a hard place. Reporter egypts bloody crackdown has critics asking whether american taxpayers are footing the bill for all the violen violence. Why the blame . Follow the money. The amount of u. S. Aid to egypt is an estimated 1. 5 billion each year, including aircraft and tanks and military training for officers. Only four other countries, including israel and iraq, get more. The president may condemn the violence we deplore violence against civilians. Reporter but wont call for an end to the aid. One adviser called that a, quote, kneejerk move at this point. Critics argue the time is now. Americas only leverage to pull egypt back from the brink is the money. At the end of the day, i dont want american dollars to be used by this interim government to basically kill their way into power. Reporter u. S. Aid to egypt dates back to the camp david accords of 1979. It buys the u. S. Militarys access to the suez canal which connects the mediterranean to the red sea, ensures peace with israel and the sinai desert and is supposed to provide support for democracy in egypt. What democracy, you might ask, as the military has jailed democratically elected leaders and crushes protests in the street. Anybody in egypt looking at the United States would see that we really dont have a game plan. We dont have a strategy. We have not articulated how we want to see this end. Reporter u. S. Officials are hopeful egypt will pull back, noting the deep and historic ties between the u. S. And egyptian militaries. Whats more, if america cuts off aid now, other countries have promised to fill the void. If we were to cut off aid, we would have no leverage with anybody in egypt, which is really the strategic nerve center of the arab world. That is why the stakes are so high here. But the real question is whether america lacks the influence it once had in the region. With centuries of religious and sectarian scores to settle. Lester . Theres nothing easy about any of this. David, thanks. I know well have a lot more on meet the press sunday. See you then. There is extreme weather and more misery on the way tonight for millions of people in the south, for whom rain has become a dirty word. We want to bring in Weather Channel meteorologist jim cantore for the latest now. Jim, good evening. Lester, good evening. The wet summer continues in the south, and of course the preexisting conditions are making it worse. Several states, florida the first here in the top five wettest julys on record. Look at this, all of these are top five states. That means the soil is already wet, and when were talking about bringing in tropical moisture, which we are this weekend, that does not make it easy for anybody, really from new orleans all the way up to charleston, south carolina. Here is the setup, the jet stream dips, pulls the moisture northward. So many areas that have already had rain, even today around savannah, george georges, where theyve had flooding theyre getting it again. The stalled front provides the poke r focus for that rain and unfortunately its asitting from charleston to new orleans. Well see round and round of rains this weekend in some cases three to five inches so it wont take much for this area to flood. The first to go, savannah tonight, flash flooding in the city. Lester, back to you. Jim, thanks. Meanwhile, in the west, firefighters say theyre getting a Massive Wildfire near park city, utah, under control tonight thanks to calm winds. But it could be at least one night before all the families who have had to evacuate the fire zone will be allowed to return home. Its been an emotional day in moore, oklahoma, as the new School Year Began and many students returned to temporary schools, their own two Elementary Schools destroyed in mays devastating tornado. Heres what moore looked like before that tornado and well show you how it looked around after its 17mile path of destruction killed 24 people and wiped out scores of homes and businesses. Tonight, our National Correspondent kate snow is in moore at the site of what was plaza Elementary School. Kate . Reporter lester, these are seven crosses for the seven Young Children who died here. Theyre rebuilding now for next year, but today students headed back to school at a temporary facility just down the road. There were smiles and hugs. Are you excited today . Reporter backtoschool jitters compounded by all theyve been through. A lot of her friends arent coming back this year so its been a rough summer. Were still not ready. Reporter today teachers did all they could to provide some normalcy. But its hard to forget as Xavier Delgado waved at our camera today, he was pulled free in may after being trapped under a wall. I heard banging on the building and then the building just fell. Reporter six of the seven killed were in xaviers class. Their teacher ms. Don stian sti recovering. This is what i want to do and where i want to be so i do want to come back. Reporter does this school have a storm shelter . No. Reporter if a storm hits this year, students would be moved to the junior high next it door to interior rooms. This doesnt look super sturdy. Its not tornadoproof but its the safest place. Reporter its the best youve got. Right. Reporter but its not enough for the legg family. When you hear that your school is the safest place to be and it blows away, literally everything around you goes up in the sky, you no longer feel safe. Reporter their son christopher died in may. They pulled their other two children out of plaza towers and put them in the one Elementary School in moore that has a certified shelter. Even so last night was full of anxiety. Last night was, mommy, my stomach hurts, i dont want to eat or sleep. Can i go to bed with you . Reporter for principal amy simpson, one of the hardest parts is knowing that some kids no longer feel safe here. Im afraid that theyve lost the trust and that theyve lost the security that we had before may 20th. Reporter but for many, just being back in school was therapy. Just to have them in my classroom is exciting, that i get to love on them and comfort them and heal together with them during this time. Reporter theyre trying to think of everything. There was rain in the forecast today, and principal simpson was worried that the sound of the rain on the new roof might scare the kids. Well, the rain held off, lester. The sun is still shining. Kate, thanks for bringing their story to us. There are new revelations that the National Security agency intercepted emails and tracked phone numbers of americans in violation of its own rules. Just a week after the president promised new steps to protect the public, the Washington Post reports that nsa leaker Edward Snowden provided proof of the nsas record of breaking privacy rules thousands of times. The agency says these were mistakes, not willful violations of the rules, and the white house tonight says the documents show the nsa is catching and reporting its own mistakes. Still ahead on nbc nightly news, an nbc news exclusive. We return to the mountains of idaho with the riders who gave authorities their big break about the kidnapping of hannah hander son. And later, news of a secret revealed after decades of speculation about what really went on inside area 51. G all th. It was very painful situation. Im very athletic and i swim in the ocean. Shingles forced me out of the water. The doctor asked me did you have chickenpox when you were a child . The pain level was so high, it became unbearable. For over 30 years. And its now the most doctor recommended, the most preferred and the most studied. So when it comes to getting the most out of your multivitamin, the choice is clear. Centrum. I took my son fishing every year. We had a great spot, not easy to find, but worth it. But with copd making it hard to breathe, i thought those days might be over. So my doctor prescribed symbicort. It helps significantly improve my lung function starting within five minutes. Symbicort doesnt replace a rescue inhaler for sudden symptoms. With symbicort, today im breathing better. And that means. 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Were back tonight with the first public appearance of Hannah Anderson since the california teenager was rescued in the mountains of idaho last weekend. And an exclusive first look at where she was found. Hannah attended a fundraiser for her family last night in san diego. Friends saying she is grateful for the support. We know that the big break in the case came from a group of horse back riders who came across anderson and her abductor by chance in the wilderness. Nbcs Kevin Tibbles made his way into that area and has our report. Reporter the Craggy Mountain trails and high pines of Northern Idaho are majestic and treacherous, which is why when these four seasoned riders came upon a man and a young girl 20 miles from the nearest paved road, something didnt seem right of the after all a, one is a former sheriff and the other a backcountry guide. Thwe definitely knew somethi was drastically wrong. Reporter one thing in particular stood out. Cradling the cat and just stroking it. Kind of odd. Reporter it was only after they returned home and saw the amber alert for 16yearold han ana anderson that they became alarmed and called police. The horse back riders who saw dimaggio and hannah, that was tip number 200. And it turned out to be the one. Reporter for the past two days, mark and christa john and mike and mary young took nbc news along as they retraced their tracks. When they come into the lake and seen this beautiful lake, they thought they were alone. Reporter this backcountry is so remote its even called the river of no return wilderness area. And the four riders say they rarely encounter anyone up here. Nothing but rock and ridge for mile after mile has left them in awe that the young hostage in tennis shoes and sweats even made it this far. They call us heroes, but shes more than likely the hero. Reporter if this chance encounter far from civilization hadnt taken place, these four riders shudder to think what might have happened. I dont know if we saved her life. I know we set the stage for somebody else to save her life. Reporter a chance encounter on a remote trail that likely saved a life. A search of james dimaggios burnedout home found guns, incendiary devices and after spending two days in the woods with these riders, its very apparent that this remote place and this chance finding were remarkable. Lester . Kevin tibbles tonight. Thank you. Were back in a moment with news about a military secret revealed. Also, why some zoo visitors did a double take at the lion exhibit. [ female announcer ] its simple physics. A body at rest tends to stay at rest. While a body in motion tends to stay in motion. Staying active can actually ease arthritis symptoms. But if you have arthritis, staying active can be difficult. Prescription celebrex can help relieve arthritis pain so your body can stay in motion. Because just one 200mg celebrex a day can provide 24 hour relief for many with arthritis pain and inflammation. 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Reporter 8,000 square miles an hour and a half drive north of las vegas, one so secret that people who work there, like radar and missile expert thornton barnes, could not tell their own wives. She had no idea where we were and thought we was in another country. Reporter the movies were right about one thing. It was a super secret government testing site in a dry lakebed, its exact locationing long suspected and now revealed on this newly declassified government map, where the cia developed a cold war spy plane called the u2. We obviously didnt want the soviet union to know about it and to ensure that, they wanted aa facility where it could be tested away from everybody else. Reporter but the need for test flights soon caused a huge spike in reports of ufos. The declassified cia documents say, as the sun set, commercial planes were flying in the dark while the u2s 40,000 feet higher would still reflect the suns rays and appear to be fiery objects. It cant be aircraft. Aircraft cant maneuver like that. What else could it be . Reporter in all these newly declassified files theres nothing about aliens or their captured spacecraft. Theyre here, arent they . Mr. Maulder, theyve been here for a long, long time. Reporter leaving ufo buffs to wonder whats next to be declassified. Pete williams, nbc news, washington. And anyone theres the story of a lion who was living a lie. A chinese zoo is under fire for trying to disguise a dog for a lion. Really . Visitors thought something was strange when the beast inside the lions cage started to bark. Instead of roar. Think thats a clue . The animal was actually aty betten mastiff, with a lane not unlike a lions a. In its defense, the zoo says it wasnt trying to deceive anyone. Just making due while the lion was away for breeding. When we come back, the young man whos following a dream thanks to a lot of people who never met him but were moved by his story. 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In a clinical study, over 80 of treated men had their t levels restored to normal. Talk to your doctor about all your symptoms. Get the blood tests. Change your number. Turn it up. Androgel 1. 62 . What are you guys doing . Having some fiber with new phillips fiber good gummies. Theyre fruity delicious just two gummies have 4 grams of fiber to help support regularity i want some. [ woman ] hop on over [ marge ] fiber the fun way, from phillips. Finally tonight, a story of beating the odds. A young man from california learning some tough lessons about life heading to a college education. A remarkable turn of events in the last week, nbcs Miguel Almaguer has our report. Reporter like so many kids this time of the year, today 19yearold james ward is saying his goodbyes and heading off to college, howard university. Wow. Reporter but, unlike most kids, he wont miss the place he used to call home. Where i slept was right around here. Reporter james was homeless for four years. He shared this cramped room in a shelter with his mother, younger brother and sister. I would just stare at the stars in the sky. Reporter his window to the world overlooked the streets of l. A. s skid row. This is the place that ill never forget. I would try to hide it from people, but now as ive gotten older ive realized that it was nothing to be embarrassed about to be begin with. Reporter james did well in high school, his ticket out of here. Howard university offered to cover 70 of his expenses but he was still short 14,000. Hes not looking for a handout. I hes just looking for a chance. Reporter jessica southerly, a volunteer at the shelter who also had been homeless launched the james fund, a web site that asks strangers for donations. After a tweet and plugs from celebrities, in just seven days jessicas web site homeless to howard hit the target, though just for this year. I didnt know what to feel. I was i didnt believe it. It felt too surreal. It was like a dream. Reporter hes left skid row behind with this message. No matter who you are or where you are in life or what social class youre in, theres always somewhere out there to help you or someone out there who you can help. Reporter today james boarded a plane to get his college education, but hes already learned some of lifes most important lessons through the kindness of strangers. Miguel almaguer, nbc news, los angeles. As we end another week, brian has asked that we pass along his thanks to all of you, all the folks who have sentd best wishes to him following the Knee Replacement surgery he underwent 11 days ago. He is continuing to recover and has written about his expernce on our web site tonight so check it out. Thats our broadcast for this friday night. Thank you for being with us. Im lester holt in for brian. Ill see you a bit later on dateline. But, for now, good night and have a good weekend