The prodigal son returns home. For Widespread Panic bassist and Richmond native, Dave Schools, this homecoming was long overdue. It was just a few months short of a decade since Widespread last performed in Richmond. Back in 2016, it was at the Altria Theatre. This time around, Panic christened the newly constructed Allianz Amphitheater at Riverfront with their signature blend of rock and roll, adding only one cover to each set of originals, but doubling down to cover a pair of “Red” encores…