NASCAR has temporarily suspended star driver AJ Allmendinger for failing a drug test. He won't be allowed to drive tonight in the Sprint Cup race at Daytona international Speedway. Instead, Sam Hornish Jr. will drive the No. 22 Dodge for Penske Racing. Allmendinger has 72 hours to request that his B sample be tested. … [Read more...] about NASCAR suspends AJ Allmendinger; failed drug test