PAUL Murray was speaking tongue-in-cheek! “My wife pinched her off me,” was his comment this morning in relation to smart youngster Where’s The Circus’ return at Royal Randwick on Saturday – with a “new” trainer. In reality, the Kembla Grange trainer’s partner Michelle Ritchie is back as the trainer of the lightly-raced filly, who resumes in the 2YO Handicap (1100m) at a track she knows well. Murray trained the daughter of Trapeze Artist when she made a brilliant debut at Ran