Stop everything you're doing right now. Mitt Romney, former Massachusetts governor and presidential candidate, has formed a presidential exploratory committee, indicating that he might run for president. You know he's pretty serious about this because he's already come up with a slogan ("Believe in America" — unlike Obama!) and a logo: a wavy, tricolor R that, as our video editor Sarah noticed, is reminiscent of Aquafresh toothpaste. Probably so that every time you brush your teeth, you'll associate that fresh, clean feeling with the fresh ideas and clean break with the past that Romney will bring to Washington. Or maybe...