Lt. Dan Choi, gay veteran and activist, center left, and retired US Army Colonel and diplomat Ann Wright, right, march with others in support of Army Pfc. Bradley Manning, present on base at a military court hearing, at Ft. Meade, Md., Saturday, Dec. 17, 2011. Prosecutors began presenting their case that Manning was the source of the WikiLeaks website's collection of U.S. military and diplomatic secrets. (AP Photo/Jose Luis Magana)