US President Barack Obama (C-back) and First Lady Michelle Obama (C) and their daughter Malia (2nd-L) work at the Browne Education Center in Washington, DC, on January 16, 2012, to take part in a community service project in celebration of the Martin Luther King, Jr. Day of Service and in honor of Dr. King?s life and legacy. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)