IndyCar driver Scott Dixon is on one of the great streaks in open-wheel racing. He’s won the last three rounds of the Izod IndyCar series in Pocono and both sides of the Toronto doubleheader. That leaves him second in the 2013 championship with the next race coming at Mid-Ohio August 4th. Dixon was the IndyCar champion in 2003 and 2008 so when he talks about the difficulty of driving and winning, Dixon knows what he’s talking about. Listen…