When 'TDN Rising Star' Thorpedo Anna (Fast Anna) enters the gate for Saturday's $1.25-million GI Travers Stakes at Saratoga, it'll be more than a sporting gesture on the part of the ownership group and trainer Ken McPeek. The conditioner is rolling the dice against a field that includes three other Grade I winners--an oft-brilliant, but sometimes unpredictable reigning Eclipse Award champion, a Classic winner over the course and distance and a seven-figure yearling whose full potential has yet to be realized. Sure, Thorpedo Anna could have faced her peers in...