Fareed Zakaria; Eric Pooley; Gina Kolata

Fareed Zakaria of Newsweek comments on plans to build a mosque at ground zero, the conflict between extremist and moderate Muslims, and President Barack Obama's foreign policy decisions. Eric Pooley, deputy editor of Bloomberg Business, critiques President Obama's record on the environment and climate change. Gina Kolata, science writer for The New York Times, reports on a recent discovery in Alzheimer's research that allows accurate early diagnosis.