Hundreds of teenagers filled the parking lot of Jesus the Savior Baptist Church in Chisinau, Moldova, recently to see a 6,000-pound sport utility vehicle run over Tom Owen’s bare stomach. A 57-year-old Guinness world record-­setting strongman and 2002 Master Mr. USA bodybuilding champion, Owen had just performed the same stunt with a 10,000-pound farm tractor one day earlier. But these…