Clowns Margarita Ramirez and her husband Roberto Diaz, known as Belen and Cubito, kiss as they prepare for a private performance in Toluca, October 17, 2009. REUTERS/Eliana Aponte

Tennessee Titans wide receiver Nate Washington (85) breaks up an interception attempt by New England Patriots cornerback Jonathan Wilhite in the fourth quarter of their game in Foxborough, Massachusetts, October 18, 2009. REUTERS/Adam Hunger

The towering 327-foot-tall Ares I-X rocket moves towards launch pad 39B at NASA’s Kennedy Space Center in Cape Canaveral, October 20, 2009. REUTERS/NASA/Handout

Policemen prepare to fire their weapons to pay homage to their fallen colleagues on Police Commemoration Day in Mumbai, October 21, 2009. REUTERS/Arko Datta

First Lady Michelle Obama hula hoops with kids at the White House Healthy Kids Fair on the South Lawn, October 21, 2009. REUTERS/Larry Downing

Maldivian Minister of Fisheries and Agriculture Ibrahim Didi signs a declaration calling on countries to cut down carbon dioxide emissions ahead of a major U.N. climate change conference in December, in the Maldives, October 17, 2009. REUTERS/Maldives Government/Handout

Brawn GP Formula One driver Jenson Button of Britain celebrates becoming the 2009 Formula One World Champion after finishing fifth in the Brazilian F1 Grand Prix at the Interlagos racetrack in Sao Paulo, October 18, 2009. REUTERS/Bruno Domingos

Aprilia 250 cc rider Alvaro Bautista of Spain crashes during the warm-up session of the Australian Grand Prix on Phillip Island, October 18, 2009. REUTERS/Mick Tsikas

An Indian Border Security Force (BSF) soldier lights a candle inside a bunker on the occasion of the Hindu festival of Diwali, the annual festival of lights, at the India-Bangladesh border on the outskirts of Agartala, capital of India’s northeastern state of Tripura, October 17, 2009. REUTERS/Jayanta Dey

A woman lights an earthen lamp during the celebrations on the eve of the Hindu festival of Diwali in the western Indian city of Ahmedabad, October 16, 2009. REUTERS/Amit Dave

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