Observations on the European Racing Scene turns the spotlight on the best European races of the day, highlighting well-pedigreed horses early in their careers, horses of note returning to action and young runners that achieved notable results in the sales ring. Thursday's Observations features a half-brother to Group 1 winner Quadrilateral (GB). 1.35 Sandown, Mdn, £10,000, 2yo, 7fT THESIS (GB) (Kingman {GB}) is an intriguing newcomer in the Juddmonte silks for the Roger Charlton stable, being a half-brother to their G1 Fillies' Mile-winning Quadrilateral (GB) (Frankel {GB}). Also a full-brother...