Seven years ago Churchill (Ire) beat Mehmas (Ire) in the G1 Goffs Vincent O'Brien National S., and they both now feature prominently in their second careers at stud. For Mehmas, that's nothing new. He was champion first-season sire, then leading second-season sire, and he gave way only to New Bay (GB) last year among his generation. Now with his fourth crop of runners taking to the track, the Tally-Ho Stud resident is back in front among his intake with four group winners to his credit so far this year, including...