http://www.autosport.com/news/report.php/id/117566
New Schedule:
March 29: St Petersburg
April 12: NOLA
April 19: Long Beach
April 26: Barber
May 9: Indianapolis (road course)
May 24: Indianapolis 500
May 30-31: Detroit (double-header)
June 6: Texas
June 14: Toronto
June 27: Fontana
July 12: Milwaukee
July 18: Iowa
August 2: Mid-Ohio
August 23: Pocono
August 30: Sonoma