Iowa caucus

GOP presidential contender Newt Gingrich has made overhauling the judiciary one of his key proposals on the stump. It's an issue that has special resonance in Iowa, where the judiciary became a potent political issue after the state Supreme Court legalized same-sex marriage.

The first-in-the-nation caucus state has been overflowing with Republican Presidential candidates, all hoping to be the number one choice of caucus-goers…