NASCAR levied harsh penalties against Ryan Newman's race team Tuesday after determining Richard Childress Racing manipulated the tires Newman used at Auto Club Speedway in California. There had been rampant speculation throughout the Sprint Cup garage that teams were drilling tiny holes in their tires to allow air to escape during a race. The process is known as ''bleeding tires'' and NASCAR last week at Martinsville Speedway warned crew chiefs about the penalties that would be levied against any team caught. Newman was one of four drivers to have his tires taken by NASCAR after the March 22 race at Fontana. More...