JACK, GREG HARRIS HEAR SAME BEAT Son Of Rock Hall’s President Has His Cooperstown Debut By LIBBY CUDMORE • Special to www.AllOTSEGO.com COOPERSTOWN – Growing up, Jack Harris would jam on the drums while his father, Greg, president of the Rock and Roll Hall of Fame, played guitar. “We always had guitars around the home” said Greg. “Our daughter Alex plays piano, and his mom Deirdre sings Irish songs. We played a lot of albums for them, and he had…