dr. rivlin. a listener is -- she sent several tweets. what's the commission's purview with regard to defense spending? guest: it's on the table. it is one of the things that the commission has talked about quite a lot. we've talked about some evidence of overspending or inefficient spending, especially in defense contracts. and when you think of defense, there is two things. one is, can we do defense more efficiently, and i think we can. and the other is more basic. do we need to be playing such a big role in the world and having the capability to do all of the things that the american military can do? we have a bigger military establishment than the other countries in the world combined. maybe we don't need that much of a medical -- of a military establishment. that's one of the questions. i'm not saying what the commission will do because we don't know yet, but we're certainly talking about it. host: molly is washington us us in los gatos, california. go ahead. caller: the president and the last is pushing this keynesian policy that is