VIDEO: NOTHING’S EASY FOR ROMNEY

Just how bad were Tuesday night’s primary and caucus results for Mitt Romney? And is Rick Santorum now his top challenger? Center for Politics Director Larry J. Sabato breaks down Santorum’s unexpected sweep and what it all means in our latest Crystal Ball video. Check it out for a look ahead to the future Republican primary contests and answers to reader questions about Romney’s religion, the future of Virginia Sen. Mark Warner and more.