W hen I was a freshman at Stanford University, I learned to shotgun a beer from a guy in a frat. Soon after, he dropped out and started an AI company. Six months later, it was valued at more than $1 billion. For most students, Stanford is a normal competitive school, where people go to class and coffee shops and fall in love and freak out over finals. But a select few attend something else: a Stanford inside Stanford, where venture capitalists pursue 18- and 19-year-olds, handing out