Vilsack visited Maine to talk up the U.S. Department of Agriculture's efforts to better promote the importance of childhood nutrition and physical activity.

WSJ: Ag chief: youth obesity issue of national security

Coming up, we talk with the U.S. Ambassador to Iraq, Zalmay Khalilzad.

NPR: Juan Williams on Interviewing President Bush

Coming up, we'll talk with the U.S. Global AIDS coordinator about efforts by the faith community to help battle the epidemic around the world, and a little later we'll hear from you, your calls and emails.

NPR: Candidate's Wives Put Under the Microscope