By HOWARD FENDRICH It might be tempting to see some tidy symbolism and greater significance in Novak Djokovic’s loss to Jannik Sinner in the Australian Open semifinals. The end of the thirtysomething Djokovic’s 33-match winning streak at Melbourne Park. The end of his bid for an 11th championship there and 25th Grand Slam trophy overall. The breakthrough for the twentysomething Sinner, […]