Tonight marks the first serious GOP Presidential debate of the 2012 election season. All the major candidates are expected to be there, including front-runner Mitt Romney, who will probably make yet another attempt to explain away Romneycare.

The nation's cartoons will be glued to their TV's tonight, but they've drawn some great cartoons for a perfect election-night primer. Check out our new GOP Debate cartoon slideshow.

Mike Keefe / Denver Post, PoliticalCartoons.com