Tyrone Perry eased his pickup through the empty streets of Pittsburgh’s East End, headlights cutting through the predawn darkness. Flecks of light snow speckled the air as music from an R&B CD drifted through the Ford F-150’s speakers. Tyrone was partial to the smooth vibes of musicians like Isaac Hayes
New evidence uncovered by scientists researching the South Fork Dam disaster in Johnstown, Pennsylvania suggests that the disaster could have been prevented.