As we gear up for one of the favorite tracks on the NTT IndyCar Series schedule this weekend, we look back again at another of its classics from the past. This time it's the 2006 Grand Prix of Road America, in the middle of the breakout season for A.J. Allmendinger. In a race that also included current stars Sebastien Bourdais and Will Power, Alllmendinger led just the final seven laps to collect his fifth win of the year. Watch the broadcast.