Four years ago, a Southern California teen with a 4.0 GPA who loved sports and theater was forced to adapt to life in a wheelchair after he got behind the wheel while drunk and crashed into a tree.

Over the weekend, with mechanical braces and motorized joints directed by a computer brain, he triumphantly walked across the stage at commencement — a moment that reflected more than just the achievement of a four-year college degree.

WATCH the video (advertisement at the top) or READ the story at ABC News…