There was high drama at the beginning of Saturday's G3 Watership Down Stud Too Darn Hot Greenham S. at Newbury when Frankie Dettori parted company with G1 Dewhurst S. hero and leading G1 2000 Guineas contender Chaldean (GB) (Frankel {GB}) upon exiting the stalls, which allowed Manton Thoroughbreds VII's reopposing Dewhurst seventh Isaac Shelby (Ire) (Night Of Thunder {Ire}--Kentucky Belle {Ire}, by Heliostatic {Ire}) a free run to make all for a second pattern-race triumph in the seven-furlong feature. Last term's G2 Superlative S. victor was swiftly into stride, away...