A customer looks at a display of televisions in a Best Buy store in San Francisco. California state regulators are currently considering ways to reduce the power consumption of flat-panel televisions.
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U.S. soldiers in Afghanistan's Wardak province prepare to board a Black Hawk helicopter. The Obama administration is assessing U.S. military strategy in Afghanistan and weighing whether to send tens of thousands more troops.
Police officers patrol the Jacarezinho slum in Rio de Janeiro on Monday. Just two weeks after the city won its bid to host the 2016 Olympic Games, an outburst of drug-related violence left two dozen dead.