President Obama, first lady Michelle Obama and their daughter Malia are greeted Jan. 16, 2012, by Paul F. Bliss, president of the Big Brothers Big Sisters of the National Capital Area as they participate in a community service project in honor of Martin Luther King Jr., at the Browne Education Campus in Washington. (Associated Press)

Photo by: Haraz N. Ghanbari

President Obama, first lady Michelle Obama and their daughter Malia are greeted Jan. 16, 2012, by Paul F. Bliss, president of the Big Brothers Big Sisters of the National Capital Area as they participate in a community service project in honor of Martin Luther King Jr., at the Browne Education Campus in Washington. (Associated Press)