“Go Stags!” is a chant Tim Strachan, 34, heard all the time as the starting quarterback for DeMatha Catholic High School (a premier boys high school in Maryland). And no wonder, at 6’3, 215 lbs, with a “spectacular arm,” Tim was a beast (and the ’beast’  Joe Paterno wanted as Penn State’s next quarterback). Then everything changed right before his senior year. A day at Bethany Beach landed Tim with a broken C5 vertebrae. He underwent a massive 19 hour neck surgery and had to spend the next several months in rehab. That was over 18 years, and a lifetime ago. Broken neck? Don’t take Tim down for the count.…