In Today's TDN:

TDN MAGAZINE, As the Science Gets Better, Catching the Cheats Becomes Easier: Part V of A Painful Truth: No matter the sport, cheaters have always stayed one step ahead of those trying to catch them by doping with as-yet undetectable products. But what if authorities didn't need to determine what the products were, only what the specimin should look like if unaltered by any drug? Meet the biological passport, and Travis Tygart, the man who has successfully routed out two of sports' most defiant cheats, Lance Armstrong and Marion Jones, neither of whom had ever tested positive. Download part V by clicking here.


In Today's TDN: Posted: 8:23 PM ET © Keeneland photo GI Haskell Invitational hero Paynter (Awesome Again), bravely battling colitis, now has to deal with laminitis as well...Bill Oppenheim has the skinny on the sires represented at next week's Keeneland September Sale. Read all about it in today's issue.

Show All Top News in Today's TDN