LONDON (AFP) – Novak Djokovic made the Wimbledon fourth round for the 15th time on Friday night, beating old rival Stan Wawrinka and a night-time curfew as Andy Murray hinted his All England Club days may be over. Djokovic, chasing a record-equalling eighth Wimbledon title and 24th career Grand Slam crown, came through 6-3, 6-1,
