The 23-time grand slam winner reentered the anti-doping testing pool, making herself eligible to return to professional tennis, but, as Jamie Braidwood outlines, the American’s use of a weight-loss drug poses a moral dilemma A s of today (22 February), Serena Williams is eligible to return to tennis and add another chapter to her illustrious career in the sport. For the last six months, the 23-time grand slam singles champion has been enrolled in the International Tennis Integrity Agency’s anti-