tamara arifai. p.j. crowley. msnbc political analyst, kathleen hicks. >>> we have heard that phrase before, it has not turned out very well. we're hearing it again. will it hold up this time? we'll go "all in" on that question, next. too big. too small. too soft. too tasty. [ both laugh ] [ male announcer ] introducing progresso's new creamy alfredo soup. inspired by perfection. >>> we know that after a decade of conflict, the american people are tired of war. believe me, i am, too. but fatigue does not absolve us of our responsibility. >> that was secretary of state john kerry making the explicit liberal interventionist argument for military action in syria earlier today. joining me now, former democratic congressman from virginia, tom perriello, serves as president for the center of american progress fund. amy goodman, host of democracy now. eli lake, senior national security correspondent for "newsweek" and the daily beast. tom, you wrote today that you favor military intervention in is syria and favor it from