For those who love horror and/or rock’n’roll, there’s the Catastrophicon Rock’n’Roll Horror Convention Saturday, July 15, at Manhattanville College’s Reid Castle in Purchase. The ghoulish fun, which runs from 9 a.m. to 5 p.m., features authors, horror film stars and vendors from Westchester and Rockland counties. They’ll be followed after 5 p.m. by performances by […]