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: 9:32 PM ET

Loose Horse at Belmont

The action heats up at Epsom today with the G1 Oaks, while the boys take center stage Saturday in the G1 Derby... Stateside, I'll Have Another (Flower Alley) narrowly avoids a loose horse Thursday at Belmont, and Alpha (Bernardini) is ruled out of the "Test of the Champion" after spiking a fever... Plus more from Breeders' Cup Board candidates... Download today's TDN now!

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