joe klein is in the middle of a cross-country conversation with voters and he's in iowa. and james carville, i want to talk with you first in the sense of just with murkowski mounting a write-in bid, the tea party establishing tensions, what is in the water this year? >> well, you know, we have something that's bad and wars that overtime it produces great turmoil. we're seeing great turmoil in the system. look, the tea party and the republican party has more influence than organized labor and ave can americans combined. 48% of the republicans identify with them. so it's not that they -- they're hyler energized, and it's not surprising if you step back that ire doing well in these republican primaries and they're causing a lot of heart burn.