INDIANAPOLIS — Katherine Legge didn't know she'd have a shot at the Indianapolis 500 until it was time to qualify, when Schmidt Peterson Motorsports decided to put her in its second car at the last second. Pippa Mann chatted with tire makers, dropped in on the folks from the television networks and even tried to get cozy with engine maker Honda in the hopes of landing a ride. Both of them have overcome long odds to join Ana Beatriz and Simona de Silvestro in Sunday's 33-car...