Will Rollins, the Democratic challenger in a hotly contested Southern California congressional race, is leaning heavily on his prosecutorial record on the campaign trail. He is even using professional actors to play law enforcement officials in a campaign ad, the Washington Free Beacon found. The ad shows Rollins, a former prosecutor, hard at work in various law enforcement settings, chatting with a detective at a roadside crime scene, arguing before a judge in a courtroom, and conferring with