Best behavior

Kyle Busch and Tony Stewart are known for their racing success and explosive tempers, but they have mellowed this season. That was never more apparent than Sunday. View full post on NBCSports.com: NASCAR / Motors addthis_url = 'http%3A%2F%2Fwww.nascarpitstopblog.com%2Fnascar-racing%2Fbest-behavior'; addthis_title = 'Best+behavior'; addthis_pub = ''; Technorati Tags: behavior, best

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