Rev. Jesse Jackson, center, leads a group of marchers across the Edmund Pettus Bridge in Selma, Ala., Sunday. AP Photo/Dave Martin
Rev. Jesse Jackson, center, leads a group of marchers across the Edmund Pettus Bridge in Selma, Ala., Sunday. The event marked the 45th anniversary of Bloody Sunday when Alabama State Troopers beat civil rights marchers as they crossed the bridge. AP Photo/Dave Martin