this is world news now. good morning to you. i m reena ninan. i m tahman bradley. why don t we get right to our top story, more about isis. the fallout from murder of american journalist steven sotloff. mourners gathered at a candlelight vigil at university of central florida which he attended. syrian-american students helped organize it. meanwhile investigators are analyzing the video that shows sotloff s execution, seeking clues about his killers, while a family member speaks out. we will not allow our enemies to hold us hostage with the sole weapons they possess fear. that sentiment echoed by world leaders including president obama and the british prime minister as well, as the u.s. considers a new raid to free western hostages held by isis in syria. isis terrorism in the middle east isn t the only major international hot spot right now. there is also ukraine.
isis terrorism in the middle east isn t the only major international hot spot right now. there is also ukraine. abc s devin dwyer reports that all of this should make the nato summit now under way in wales even more important. good morning, devin. reporter: good morning, reena, tahman. perhaps the most consequential meeting of nato allies since the cold war. president obama and dozens of world leaders huddled here facing two urgent issues of security. what to do about that russian invasion in ukraine? also how to degrade the isis militants currently wreaking havoc in iraq and syria. the white house says president obama today will be trying to coordinate a strategy on both fronts with allies. meanwhile, vice president joe biden at home was talking tougher than his boss. on just how far the u.s. is willing to go. we will follow them to the gates of hell until they are brought to justice. because hell is where they will reside.
all chicken in response to growing concern that antibiotics in our food make medicine less effective. but it is still using animal antibiotics which critics say are just as dangerous. no one seems to know how a 6-foot-long boa constrictor ended up in the drive-through lane of burger king in illinois. when customers told workers they called animal control officers for help. those are some of our top stories on this thursday, september 4th. announcer: from abc news, this is world news now. almost friday to you. good morning. friday eve indeed. good morning, everyone. we are going to begin this half-hour with the murder of the american freelance journalist steven sotloff. his family says he wasn t drawn to conflicts in the middle east but to bring out the stories of those caught in the crossfires. he was also remembered at the florida college he attended with a candlelight vigil last night. u.s. officials promise to go after the terrorist who killed sotloff. abc s karen trav
leader of syria. i ll also be listening for any mention of iran. remember, before all this revolution started to hit the middle east we were greatly concerned about iran s nuclear weapons aspirations. i m told it ll get a mention. it s not clear precisely what the president will say. but we do expect him to go about 45 minutes or so having a lot of ground to cover through an era of great change throughout the middle east and north africa. jon? jon: yes. and a lot has changed since he ghei that last big gave that last big speech from chi owe two years ago. thank you. jenna: you know, mike made such a great point talking about iran because our focus certainly hassivitied about this has shifted about this region and also geopolitics overall. some would say maybe the middle east isn t where we should be focusing, but we should be paying closer attention to what s happening in china. maybe our focus is off. we ll talk more about that with aaron miller coming up. he served as an adviser