Conspicuous by his colour if not his presence in the betting market, Chantal Regalado-Gonzalez's recent acquisition White Birch (GB) (Ulysses {Ire}--Diagnostic {GB}, by Dutch Art {GB}) overhauled the customary representation of the O'Briens and Bolger in Leopardstown's G3 P W McGrath Memorial Ballysax S. to provide the John Joseph Murphy stable with a red-letter day. Anchored at the tail of the field early by Shane Foley, the almost-white grey who had opened his account by 6 1/2 lengths over seven furlongs sporting Murphy's own silks at Dundalk in November loomed...