Zachary Tinkle's MiniCup DecisionZachary Tinkle wants to be a NASCAR(R) driver when he grows up, so he's been practicing with go karts, getting ready for his first time racing outdoors. But when his parents take him to get the autograph of a famous NASCAR(R) driver, he sees something he can't believe: A little NASCAR(R) stock car just his size. It's a minicup, a half size stock car that can go 100 miles per hour on the track. Then he meets a father and his young son who races a