Nate Ryan joins NASCAR America to discuss the changes NASCAR has implemented in order to make the warning systems easier to understand and also talks about the introduction of rain tires at Watkins Glen.
NASCAR Sprint Cup Series driver Jimmie Johnson (48) adjusts his gloves as he prepares for practice on Friday, Feb. 21, 2014 at Daytona International Speedway in Daytona Beach, Fla. (Jeff Siner/Charlotte Observer/MCT)
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