President Barack Obama and first lady Michelle Obama observe the Martin Luther King Jr. Day holiday by participating in a community service project at the Stuart Hobson Middle School in Washington, ... more 
President Barack Obama and first lady Michelle Obama observe the Martin Luther King Jr. Day holiday by participating in a community service project at the Stuart Hobson Middle School in Washington, Monday, Jan. 17, 2011. Michelle Obama is surprised by everyone singing "Happy Birthday" to her as she arrived; today is her 47th birthday. They are joined by their daughters, Malia, 12, right, and Sasha, 9, embraced by the first lady. less 
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Associated Press | Photo By J. Scott Applewhite
Tue, Jan 18, 2011 12:31 AM EST