President Obama waves as he walks to St. John's Episcopal Church with (from left) his his mother-in-law, Marian Robinson; first lady Michelle Obama; and the Obamas' daughters, Malia and Sasha, on Monday, Jan. 21, 2013, in Washington. (AP Photo/Jacquelyn Martin)

Photo by: Jacquelyn Martin

President Obama waves as he walks to St. John's Episcopal Church with (from left) his his mother-in-law, Marian Robinson; first lady Michelle Obama; and the Obamas' daughters, Malia and Sasha, on Monday, Jan. 21, 2013, in Washington. (AP Photo/Jacquelyn Martin)