Michael Cohen
College Football and College Basketball Writer
Fifty-six minutes of purple-tinted joy were halted with a disastrous blunder in the costliest of moments. Texas Christian quarterback Max Duggan — this year’s hero and a fringe Heisman Trophy candidate in a dreamlike season — watched in horror as his fumble was scooped by defensive back Jahdae Barron and returned for a 48-yard score, injecting life into a burnt-orange…