IZOD IndyCar Series Sonoma Practice 1 Highlights

Defending Indy Grand Prix of Sonoma winner Dario Franchitti led the opening one-hour practice session as IZOD IndyCar Series teams began preparations for the 2010 Indy Grand Prix of Sonoma at Infineon Raceway on Aug. 20. See who else made the highlights of the first practice session in Sonoma, California.