Since its introduction in 1963, the PGA Tour's Q School has routinely been one of the most dramatic, heart-wrenching golf tournaments on the planet. This is where careers are made, and where just as often they're broken before they have a chance to soar. Where did it come from? How has it changed? Why did it disappear, only to return last year? This week, we investigate the institution of the Q School, and the outsize place it occupies in the minds of professional golfers.