up for his credibility. >> he didn't just draw up any old power in the region, he drew it with the assad regime. i can't imagine that the iranians would read it any other way. he laid down the red line, and if he didn't mean it, he shouldn't have done it in the first place. >> all right. thanks. jessica, you stay with us as we continue to hash out today's debate. when we come back, will military action work and does it mean the start of another u.s. war? i'll talk to two former generals about the consequences of the president's decision. we'll be right back. let's play: [ all ] who's new in the fridge! i help support bones... [ ding! ] ...the immune system... [ ding! ] ...heart health... [ ding! ] ...and muscles. [ ding! ] that can only be ensure complete! [ female announcer ] the four-in-one nutrition of ensure complete. a simple choice to help you eat right. [ major nutrition ] nutrition in charge.