UPDATE 1-Tennis-Dubai Championships men's singles semifinal results

Fri Mar 1, 2013 5:43pm GMT

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March 1 (Infostrada Sports) - Results from the Dubai Championships Men's Singles Semifinal matches on Friday 
3-Tomas Berdych (Czech Republic) beat 2-Roger Federer (Switzerland) 3-6 7-6(8) 6-4 
1-Novak Djokovic (Serbia) beat 4-Juan Martin Del Potro (Argentina) 6-3 7-6(4)

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.