IE 11 is not supported. For an optimal experience visit our site on another browser.

Manning’s ‘WikiLeaks’ court-martial begins

00:43

Army Pfc. Bradley Manning, who leaked military secrets when he was 22 years old, thought naively that he could “make a difference,” his lawyer said. But the military prosecutor at the trial said Manning’s leak of classified information put information “into the hands of the enemy.” NBC’s Brian Williams reports.