hyped this event, talked about it as a campaign event. how does that sort of thing get policed? >> well, after you have a gao investigation and there has been a determination that there is a violation of the law and money shouldn't be spent, then it will have to come from the political sector of his campaign or the republican committee, which it basically have been merged together at this point, but they have to pay that money back. as you know, there's a real tradition on presidential trips, if it's an official trip and he's doing something political on the trip, then there's an allocation as to what the taxpayers pay and there's an allocation of what you pay politically. that's the tradition, that's the way it's been followed. we expect the law to be followed here. >> senator tom udall of new mexico. thank you for joining us, i know