chris clark from george mason has a question about how much pomes influence public opinion. >> well, we don't know how much they influence public opinion, but they may, and i think i'm fine with that. i think that's fine. if people want to look at the numbers, say, hmm, right now, we find, for example, that americans are not very much in favor of the individual mandate of the affordable care act. i guess if a lot of americans don't like it, i'm suspicious of it, too, that's fine. we can't -- it's hard to quantify. political scientists and others find it hard to quantify how much polling influences thinking. but it's an element of the news coverage. it's an element of information that is out there and clearly some people they take it into account, though based on all the letters we get, people usually don't believe it, right? if you have a strong conservative and a poll shows people like obama, for example, they'll call us up, say, you can't be right. everybody i talk to doesn't like obama and vice versa. i think a lot of people ignore polls. >> but if a news organization gets a poll