Serbia's Novak Djokovic celebrates his quarterfinal win over Tomas Berdych of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 20

 

              Serbia
Serbia's Novak Djokovic celebrates his quarterfinal win over Tomas Berdych of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/ Scott Barbour,Pool)