And on the ninth day, the grunge gods played. The 33rd installment of the Riverbend Festival came to a close Saturday night after nine straight days with Stone Temple Pilots, the reincarnation of the once huge '90s grunge rock outfit minus original lead singer Scott Weiland. There were mummies, puppets and fireworks too. At 5:30 p.m., boats started to cluster in the river behind the Coke Stage and people started staking out turf in the viewing areas on Riverfront Parkway. Among them was Rhea...