he can't say you better be be nice and not say mean stuff about my syria policy or obama nation will get together and try to block you from the nomination and with joe biden saying he's out until he's needed like batman, that obama cannot threaten hillary anymore with that. >> fascinating politics. chris, thank you. >> you bet. >> chris just mentioned the debate over the syria, and secretary of state clinton. joe biden mentioned foreign policy in his speech in the last hour, and this is what he had to say. >> we've learned hard lessons from a decade of large scale- open- ended military invasion. we have to accept the fact that we can't solve all of the world's problems and we can't solve many of them alone.