Well, now we know what "compassionate conservatism" means. It means that if you're Vice President Cheney's former chief of staff, and you're convicted of lying to FBI agents and a federal grand jury, you don't have to go to prison -- even when many others have for similar offenses.Lewis "Scooter" Libby was to be sent up the river, or so U.S. Attorney Peter Fitzgerald thought, after being found guilty of those lies in an investigation of a Bush administration leak by which Valerie Wilson had been revealed as a CIA operative. Her husband, former ambassador Joseph Wilson, was a critic...