Around the world: 10 things to know Wednesday

Sloane Stephens of the US reacts after defeating compatriot Serena Williams in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 23, 2013.  (AP Photo/Aaron Favila) Photo by
Sloane Stephens of the US reacts after defeating compatriot Serena Williams in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 23, 2013. (AP Photo/Aaron Favila) Photo by
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