tonight where preemgss are under way for monday s cnn tea party republican debate. we begin with the tenth anniversary of 9/11. security is extra high tonight as final preparations are made for sunday s dedication of the 9/11 memorial site at ground zero. a massive police presence rolled into lower manhattan just a short time ago as part of a security sweep. a hunt is on right now for three stolen truck including two that belong to a company that worked at ground zero. we ll take you live to the site in a few minutes, but first leroy homer. earlier today the 40 people who died board united airlines flight 939 were remembered at a ceremony in shanksville, pennsylvania. george bush who was president when the attacks happened and former president bill clinton were among the dignitaries to speak at today s dedication. the site features a long marble wall with the names of the flight 93 passengers and crew. they are credited with fighting back against the hijackers and preve
newsroom. i m don lemon in tampa, florida, tonight where preparations are under way for monday s cnn tea party republican debate. we begin though with the tenth anniversary of 9/11. security is extra high tonight as final preparations are made for sunday s dedication of the 9/11 memorial site at ground zero. a massive police presence rolled into lower manhattan just a short time ago as part of a security sweep. a hunt is on right now for three stolen trucks, including two that belonged to a company that worked at ground zero. we will take you live to the site in a few minutes, but first leroy homer. earlier today the 40 people who died board united airlines flight 939 were remembered at a ceremony in shanksville, pennsylvania. george bush who was president when the 9/11 attacks happened and former president bill clinton were among the dignitaries to speak at today s dedication. the site features a long marble wall with the names of the flight 93 passengers and crew. th
stepped up security in new york and washington, d.c., as authorities investigate a possible al qaeda terror plot tied to the anniversary. desperate hours aboard air force one, circling over america, trying to find a safe place for president bush to land on 9/11. my interview with the pilot of air force one, he flew that critical mission. president obama s new jobs plan, certain to be a hot topic when the republican hopefuls gather here in tampa. for monday night s presidential debate co-hosted by cnn and the tea party express. we want to welcome our viewers in the united states and around the world. i m wolf blitzer. you re in the situation room. checkpoint searches and an urgent scramble for intelligence. america, once again, faces a terror threat. this time, authorities say they have credible and specific information about a possible al qaeda plot tied to the tenth anniversary of the 9/11 attacks. the key focus, washington and new york. our national correspondent susa
forever. of the nearly 3,000 people killed on 9/11, more than 2,700 died at the world trade center site in new york city. i have a story to tell you about the dedication of the men and women came to inspire all of us in the days and years since. the police officers and firefighters were clearing debris and doing whatever they could to help find survivors. they didn t know it at the time, but they were putting their own lives at risk. many of them are sick and asking if more could have been done to prevent it. the trade centers have been hit by airplanes. in washington, there is a large fire at the pentagon. the whole building came down. move it. get out of here! back! back! get out of here! the president was in florida today. within moments after the first tower disintegrated, an eerie silence fell over lower manhattan. there should be a sound when one of the largest skyscrapers in the world collapses. we know that there must have been a sound. very few people