How "defensive" are the drivers in the Indy racing series?

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Indy racers and defensive driving

Indy racers and defensive driving

WEST ALLIS -- It's a term you first heard in driver's ed -- "defensive driving." It's the goal when you get behind the wheel -- to get somewhere safely. But how about when your goal is to get there before anyone else -- like at the Milwaukee Mile? FOX6's Tim Van Vooren takes a closer look -- with the drivers of the Indy racing series.