Apparently, 'Jacks' are wild where it comes to the GI Champagne S., in the last couple years, at least. Twelve months after Jackie's Warrior (Maclean's Music) put on a show in the 'Win and You're In' qualifier for the GI TVG Breeders' Cup Juvenile, Presented by TAA, 'TDN Rising Star' Jack Christopher (Munnings) turned in a dazzling performance of his own, racing away to a 2 3/4-length success to stamp himself as one of the favorites on Breeders' Cup Friday, Nov. 5. Accorded 'Captain Obvious' Rising Star status after covering...