Dr. Jill Biden with Jennifer Aniston, Kristin Hahn, and Secretary of Health and Human Services Kathleen Sebelius

Dr. Jill Biden, along with Jennifer Aniston, Kristin Hahn, and Secretary of Health and Human Services Kathleen Sebelius, listens to Dr. Constanza Cocilovo during a tour of the Inova Breast Care Center in Alexandria, Va., Oct. 3, 2011.