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. Today's Observations features a Godolphin blue-blooded half to a Group 1 winner. 5.20 Doncaster, Mdn, £8,050, 3yo/up, 7f 6yT CHIEF OF STAFF (GB) (Dark Angel {Ire}) debuts for Godolphin and Saeed bin Suroor and is a half-brother to the G1 Jebel Hatta winner Blair House (Ire) (Pivotal {GB}). Oisin...