 I'm NASCAR driver Jamie McMurray, and my niece has autism. Learn more at AutismSpeaks.org slash signs. Early diagnosis can make a lifetime of difference. Brought to you by Autism Speaks and the Ad Council. Papa, why can't we telegraph while riding a horse? Son, there ain't no one to blame but Jeffro. He was riding old Betsy the Stallion, tip-tapping away at his telegraph when blam!