President Obama signs the proclamation marking the National Day of Prayer in the Oval Office in May 2009 while Joshua DuBois, director of the White House Office of Faith-based and Neighborhood Partnerships, looks on. DuBois has emerged as the president's go-to guy on all things religious.  Religion News Service photo courtesy of Pete Souza of the White House

President Obama signs the proclamation marking the National Day of Prayer in the Oval Office in May 2009 while Joshua DuBois, director of the White House Office of Faith-based and Neighborhood Partnerships, looks on. DuBois has emerged as the president’s go-to guy on all things religious. Religion News Service photo courtesy of Pete Souza of the White House