Michelle Obama Visits Children’s National Medical Center

Michelle Obama Visits Children’s National Medical Center
WASHINGTON - DECEMBER 22: First lady Michelle Obama and her daughters Sasha (C) and Malia try to get their dog Bo to stop barking at Santa Claus as they read Christmas stories to children at the Children's National Medical Center on December 22, 2009 in Washington, DC. The first lady toured the hospital visiting the Heart and Kidney Unit before greeting 200 patients and hospital staff. (Photo by Mark Wilson/Getty Images)