Christian Fittipaldi and teammate Joao Barbosa are the hottest team in the Tudor United Sportscar Championship after winning three races this year, the last two in a row. That includes last weekend’s round at Road America where Fittipaldi has had enormous success. It’s the track where he won his first open when race when he was in CART. Now he’s part of the points leading team with a chance for a Tudor title. Listen…