The often shirtless Novak Djokovic got into some street clothes to do a photo call in Melbourne following his breakthrough win at the Australian Open. He is number three with a bullet. I've been a tennis follower for decades and what I know is this: when a young player of 20 comes in and knocks out the reigning champion (Roger Federer), there are many big titles ahead for him. I think he will add the US Open or Wimbledon title to his collection before the year is out,...