Black Congressional Staffers Plan Walkout To Join Ferguson/Garner Protest At The Capitol

U.S. Representative Elijah Cummings, a Democrat from Maryland, center, listens during a prayer on the U.S. Capitol Building steps with Congressional staff members during a protest in Washington, D.C., U.S., on Thursday, Dec. 11, 2014. The Congressional staff members are protesting against the Eric Garner and Mike Brown grand jury decisions of not indicting the police officers responsible for their deaths. Photographer: Andrew Harrer/Bloomberg via Getty Images