pacific trade deal. clinton backed it but has been waffling under liberal pressure. today, she hedged again. bret? >> ed henry in iowa with the clinton campaign. thank you. with isis terrorists capturing the key iraqi city ramadi over the weekend, hillary clinton faces challenges to her reputation with fresh questions about her role in the conflict. chief washington correspondent james rosen has that angle. >> reporter: in finally taking press questions among the first hillary clinton was about her vote in 2002 approving the use of force by president george w. bush to overthrow saddam hussein in iraq. >> i know there are a lot of questions about iraq over the last week. i've made it very clear that i made a mistake, plain and simple. >> reporter: yet it's far from simple. the former secretary of state has elsewhere suggested she was,