Photo by Chris Greenberg
March 1, 2007
Who he is: Former chief of staff for Vice President Dick Cheney
What he did: Convicted of obstruction of justice and perjury in an investigation into the leak of a CIA operative's identity
Sentence commuted by: George W. Bush in 2007 before Libby served any of his 30 months
Now: Speculation is Bush may pardon him before he leaves office.