sarah palin is in iowa today to it be a signal she is considering a presidential run in 201? well, joining us to talk about that and more in today's strategy session, two cnn's political contributors james carville and national talk radio show host bill bennett, and thank you for being in "the situation room" on this friday afternoon. real quick, sarah palin going off to headline this republican ronald reagan event this evening. she is endorsing a lot of tea party candidates and doing fairly well, but does this translate into potential success in iowa for a presidential bid? bill? >> it could. it is possible. main thing it does is to get some buzz going. she turns out a lot of people. a lot of people like her, and it