IndyCar Grand Prix of Indy winner Simon Pagenaud is having a great season early in the IndyCar year. But Sunday night his big interest was being the first winner of the brand new Grand Prix of Indy, a road race in the month of May before the Indy 500 at the Indianapolis Motor Speedway. Traditionalists screamed at the very idea. But when it was over it was the fans who were screaming about the great event. So was Pagenaud…