A pro-Democratic super PAC, American Bridge 21st Century, released a Web ad critical of Mitt Romney that attacks his record on public safety as governor of Massachusetts. The ad, unveiled June 7, 2012, features a cartoon image of Romney driving a police car, an image that plays off a recent report that alleges Romney played numerous pranks as a young man, including impersonating a police officer. "Romney might think his pranks are funny, but his record on police issues is no joke," the ad says. The ad offers several specifics on ...