US First Lady Michelle Obama and Jill Biden, wife of US Vice President Joe Biden, and their dog Champ, arrive to help assemble Mother’s Day packages that deployed US troops have requested to be sent to their mothers and wives at home as part of a Joining Forces service event with spouses of members of Congress at the Naval Observatory in Washington, DC, May 10, 2012. AFP PHOTO / Saul LOEB (Photo by Saul LOEB / AFP) (Photo by SAUL LOEB/AFP via Getty Images)