saiem-iddo-goldberg-isaac-walton-wgn-america.jpg WGN America’s spooky new series, “Salem,” doesn’t premiere until April. Since that’s way too long to wait to get our fill of the series’ supernatural take on the Salem witch trials, Zap2it decided to get you — and the stars — excited for the debut by subjecting them to our “Salem” Survey. (Check out Xander Berkeley’s here and Tamzin Merchant’s