that could actually have a imbalanced impossible on the global let alone the domestic economy, so he's freer to go after the republicans on these political issues, and in december he showed he was able to outsmart them, at least in that round. >> david corn, jonathan allen, great conversation. thank you. >> ink that thank you. scott brown and his opponent say they want to keep super pac money out of the senate race. what are the chances? we'll talk about that. as congress heads back into session, the white house is calling for a new national plan to fight alzheimer's. right now more than 5.4 million americans have alzheimer's or similar dementias. so the obama administration wants new treatments and preventative measures in place by 2025. a committee of alzheimer's experts is meeting this week to advise the government on its action plan. ♪