A look at some of the defining moments of 2011.
Jan. 8th, 2011 Rep. Gabrielle Giffords (D-Ariz.) and husband Mark Kelly are interviewed by Diane Sawyer on ABC's “20/20” on Nov. 14. The show featured the first public interview Giffords had given since she was shot in the head in Tucson in January. Ida Mae Astute/AP