A poster depicting US First Lady Michelle Obama is displayed as the First Family arrives at the library of 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)