if we can't provide assurances that the pathways for iran cobb taping the nuclear weapon are closed, if we can't verify that. if the inspections regime is inadequate. then we are not going to get a deal. >> president obama said that in the past, particularly as the interim agreement was netted in april. it's not a question of trusting iran. a lot of people in washington, not to mention binyamin netanyahu, vocally against what the president is trying to accomplish. they don't trust the iranians and don't thing their nuclear status can be verified. >> how long is the president prepared to net, does he have his own deadline. as a practical matter, june 30th was an arbitrary deadline as was the last dead line. the critics are just going to become loud, extremely vocal, more vocal. congress is out this week. when they come back and there's no deal, they'll jump all over them. if we look at the clock and the way in is submitted to congress. you'll recall congress reached a compromise where they'll have say so, an ability to vote up or down, if you look at the way that is structured, they w

hampden, massachusetts, a purple heart recipient and veteran of two tours in iran 267891-year-old lance corporal skip wells of cobb county, georgia, had joined the corps two years ago.ld sergeant dave wyatt from hixson left behind a wife and two children and a 25-year-old sergeant carson holmquist was married with a son and based overseas until a year ago. a somber motorcade friday afternoon took away the victims. a fifth victim randall smith was shot three times and remains hopz hospitalized in critical condition. the hospital says blood donations have increased. the people of chattanooga are left to wonder hor how a young man who lived here went to school here worked here an american, could seem so dangerously wrong. >> thank you, dean. >>> for more we're joined by cbs news senior national analyst juan zawiahraratezarate. good morning. >> good morning, vinita. >> this morning it feels like there's so much debate. was it isis-inspired, self-motivated. what do you think? >> i think we don't know enough yet about this particular individual but the reality is counterterrorism officials have been worried for a number