CHRISTMAS VISIT Vice President Joe Biden and his wife, Dr. Jill Biden, thank nurses during their Christmas Day visit to Walter Reed National Military Medical Center in Bethesda, Md., Dec. 25, 2013. The Bidens visited with patients and their families to thank them for their service to and sacrifice for the nation. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 798846-L-ZEB24-655.jpg Photo Gallery