Novak Djokovic credits plant-based diet for his success

*Melbourne:* Novak Djokovic trumpeted the benefits of his plant-based diet Friday in helping him thrash Yoshihito Nishioka and move into the Australian Open fourth round. The Serbian defending champion swept past the Japanese 6-3, 6-2, 6-2 in just 85 minutes on Rod Laver Arena to reach a Grand Slam round of 16 for the 50th...