UPDATE 1-Tennis-Cincinnati Masters men's singles semifinal results

Sat Aug 18, 2012 9:39pm BST

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Aug 18 (Infostrada Sports) - Results from the Cincinnati Masters Men's Singles Semifinal matches on Saturday 
1-Roger Federer(Switzerland)beat Stanislas Wawrinka(Switzerland)7-6(4) 6-3 
2-Novak Djokovic(Serbia)beat 6-Juan Martin Del Potro(Argentina)6-3 6-2

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.