Lance Armstrong is only the latest public figure forced to make public and sometimes painful confessions.
Eight-time Grand Slam title winner Agassi retired in 2006 but stunned the tennis world in 2009 when he used his autobiography to confess to having taken crystal meth. Equally shocking was his revelation that he had escaped a ban by convincing the ATP that he had taken it accidentally.
Lucy Richardson/ Reuters
iStock / gbh007
National Portrait Gallery, London
iStock / mashabuba
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