A town baseball field in Farmington, Connecticut may seem about as far away from the major leagues as you can get. But it's been witness to baseball history recently, reports CBS News correspondent Anthony Mason. The key to throwing a gyroball, says sportswriter Will Carroll, is a football-like spiral spin that's easy to learn but hard to master. Minor league pitcher Steve Palazzolo is learning to throw what some claim is the first new pitch in a generation. It's called the "gyroball." True believers claim it's almost un-hittable. "We know that a curveball curves and a slider slides and a...