First lady Michelle Obama, left, adjusts President Barack Obama's suit as they wait for the arrival of Mexican President Felipe Calderon and his wife Margarita Zavala at the North Portico of the White House in Washington, Wednesday, May 19, 2010, for a State Dinner. (AP Photo/Pablo Martinez Monsivais)
February 16, 2011 11:32:10 AM PST
WASHINGTON (AP) - February 16, 2011 --
President Barack Obama and first lady Michelle Obama will mark Black History Month at the White House with a celebration of Motown music.