Tennis-Washington Open men's singles semifinal results

Sun Aug 5, 2012 1:41am BST

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 Aug 5 (Infostrada Sports) - Results from the Washington Open Men's Singles Semifinal matches on Saturday 
2-Alexandr Dolgopolov(Ukraine)beat 8-Sam Querrey(U.S.)6-4 6-4 
4-Tommy Haas(Germany)beat 1-Mardy Fish(U.S.)6-3 7-5           

After wave of QE, onus shifts to leaders to boost economy

DAVOS, Switzerland - Central banks have done their best to rescue the world economy by printing money and politicians must now act fast to enact structural reforms and pro-investment policies to boost growth, central bankers said on Saturday.