LOCK HAVEN - As rumors of alcohol use and speeding boats abound, an investigation into a deadly boat crash Friday evening on the Susquehanna River here continues. Valerie Heidt, 12, of Hublersburg, was pronounced dead by Clinton County Coroner Donald G. Walker at the scene of the horrific crash of two ski boats. Walker said an autopsy on Saturday showed the youngster died of blunt force trauma. And early today The Express learned that another person was seriously injured in the crash. Barbara Hummer, a passenger in the boat driven by John Englert of Mill Hall, was taken to Lock...