Candidates, voters gear up for big day It's been called Super Duper Tuesday and Tsunami Tuesday. Whatever you call it, today is the day that could propel some presidential candidates to their party's nomination and cause others to end their campaigns.9:06 a.m.
Charles Franklin: Professor of political science at the University of Wisconsin-Madison, co-developer of Pollster.com and a columnist for National Journal. His research focuses on polling and the dynamics of elections.
Anne Kornblut: Covers politics for the Washington Post.
Aaron Gould Sheinin: Covers politics for the Atlanta Journal Constitution.
John Wildermuth: Covers politics for the San Francisco Chronicle.
Author argues for a new relationship with food Author Michael Pollan argues that we could be healthier and kinder to the planet if we would simply seek out food that is "real" and not processed. And he says nutrition-oriented eating can actually turn out to be bad for us.10:06 a.m.
Michael Pollan: Author of the new book, "In Defense of Food." He's also the author of "The Omnivore's Dilemma" and "The Botany of Desire."