Saturday, 6 April 2013

Blocking theories like opinions - everyone has 1 (The Associated Press)

Tony Stewart, center, walks to his hauler after practice for Sunday's NASCAR Sprint Cup auto race at Martinsville Speedway in Martinsville, Va., Friday, April 5, 2013. (AP Photo/Steve Helber)

MARTINSVILLE, Va. (AP) -- Theories on blocking and when it is acceptable vary widely in the NASCAR garage.