And they had to call it because of the rain. Mike Helton apparently said that there was an hour-and-a-half of rain on the way, plus the high humidity wouldn't have allowed the track to be completely dry until 11 PM, and that was too late for the fans.
On to California! Oh--congrats to Matt Kenseth on his first 500 win, and Jack Roush for his first 500 win as a car owner.