By now most of you have seen or heard about Republican Elizabeth Dole's disgusting and desperate "Godless" commercial attacking her front-running opponent, Democrat Kay Hagan.

Not only has Hagan fired back with an ad of her own (posted above), her campaign has now filed a defamation lawsuit against Dole and fiercely punching back against what has to be the lowest of campaign smears in the 2008 campaign cycle. From The Hill: