The conservative political group Citizens United actually ran an anti-Bill Clinton commercial during his interview with 60 Minutes. The attack ad showed pictures from several terrorist attacks during the 1990s, blamed Clinton for them, and inferred that only a president like George W. Bush was fit to fight terrorism. You can watch the ad on their web site. This may be the first time a former president has been attacked in such a partisan fashion when not running for any political office. I might add that the Clinton interview was pretty interesting to watch. Citizens United, for those who do not know their history, has been linked with racially charged political ads and is one of the most fanatical political groups around.