what should he be looking for in what will be his fourth national security adviser? >> well, the president, as time has gone on, has generally gone to people who are more deferential to him who don't push back. he is not a president with strong ideological views. he has certainly impulses, and they're sometimes at odds with one another. he does have, as gabby indicated, an impulse to pull back from foreign entanglements, but he also has the impulse to appear to be very tough and the kind of person who is going to strike back against threats to the united states. the problem is, when you have an administration that doesn't have its pick of the a-team on the republican side -- many people don't want to work for him -- he's going to look for -- find people who have some expertise. inevitably, those people are going to have some views, and it's very likely that given the