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Lance Armstrong Doping

The U.S. Anti-Doping Agency came forward with strong accusations against Lance Armstrong, who lost millions when sponsors dropped him. (Peter Dejong/AP Photo)

Year in Review 2012: Scandalous Behavior

Controversy rocked some of the world's largest institutions—from the

military and the NFL to the Secret Service and the BBC. Some seemingly

untouchable pillars of their profession were tarnished by the scandals

of 2012.