This year's G1 1,000 Guineas took place without Ballydoyle's Opera Singer (Justify), so there is a sense of unfinished business when it comes to the pecking order of the 3-year-old fillies at present. Sunday's Tattersalls Irish 1,000 Guineas at The Curragh should answer some questions, none more so than that concerning how straight she is for a tough reintroduction having suffered that setback. So good in the G1 Prix Marcel Boussac, some will tell you that she may not have to be at 100% to win this but when it...