The worst part about my debut at the National Horseplayers Championship in Las Vegas 11 years ago wasn't picking 30 straight losers and finishing dead last. The worst part was agreeing to document the trip for the TDN, so the entire Thoroughbred world got to watch my horseplaying nightmare. Undeterred, I returned the following year to both the NHC and the pages of the TDN, redeeming myself with a 36th-place finish and collecting $11,200. Since then, I've posted two more in-the-money finishes in seven starts. As I celebrate my 10th...