Djokovic beats Nadal to reach ATP World Tour final

World No. 1 Novak Djokovic eased past Rafael Nadal reach the final of the ATP World Tour Finals at the O2 Arena here on Saturday. 

   Djokovic needed only one hour and 19 minutes to take a 6-3, 6-3 win in their 46th career meetings, in which they each won 23 matches. 

   The 28-year-old Djokovic, bidding for a fourth successive title here, will play either Roger Federer or Stan Wawrinka in Sunday's final. 

   Nadal, 29, has lost eight of the last nine matches since October 2013. The only victory came in the French Open final in 2014.  Endi