There was a Congressional Hearing in Congressman Chris Smith's Human rights subcommittee on July 28, 2011.

Congressional hearing testimony by Assistant Secretary of State Campbell on July 28, 2011- video and prepared text (different from spoken testimony).
http://www.state.gov/p/eap/rls/rm/2011/07/169210.htm

Questioning in hearing on July 28, 2011 - video
http://www.youtube.com/watch?v=IbjoBarbIDk