Singer Sheryl Crow performs during the 78th annual Rockefeller Center Christmas tree lighting ceremony Tuesday, Nov. 30, 2010, in New York. (AP Photo/Jason DeCrow)
Members of the group Boyz II Men, from left, Nathan Morris, Wanya Morris and Shawn Stockman perform during the 78th annual Rockefeller Center Christmas tree lighting ceremony Tuesday, Nov. 30, 2010, in New York. (AP Photo/Jason DeCrow)
The Rockefeller Christmas tree, a 12-ton, 74-foot Norway spruce covered in 30,000 energy efficient LED lights, is lit in Rockefeller Center in New York, Tuesday, Nov. 30, 2010. (AP Photo/Henny Ray Abrams)
Afghan acting Health Minister Suraya Dalil speaks during a ceremony marking the World AIDS Day in Kabul, Afghanistan on Wednesday, Dec. 1, 2010. The Afghan Ministry of Health has recorded 636 HIV positive cases and estimates around 2000 - 3000 HIV and AIDS cases in the country, Dalil said. (AP Photo/Musadeq Sadeq)
In this photo taken Tuesday, Nov. 30, 2010, a volunteer of the Indian Red Cross Society lights a candle during an HIV and AIDS awareness rally ahead of World AIDS Day in Agartala, capital of India's northeastern state of Tripura. World AIDS Day is being marked across the world Wednesday. (AP Photo/Bapi Roy Choudhury)
Nepalese HIV-positive people and activists hold placards demanding access to adequate medical services during a rally to mark World AIDS Day in Katmandu, Nepal, Wednesday, Dec. 1, 2010. (AP Photo/Binod Joshi)
A couple looks at a red ribbon, symbol of the fight against AIDS, hanging from the Puerta de Alcala in Madrid to commemorate World Aids Day, Wednesday, Dec 1, 2010.(AP Photo/Daniel Ochoa de Olza)
A red ribbon hangs from the Puerta de Alcala to commemorate World Aids Day, Wednesday, Dec 1, 2010.(AP Photo/Daniel Ochoa de Olza)
A person walks past in a market announcing the fight against AIDS in Pamplona northern Spain, Wednesday Dec.1, 2010 during events for World Aids Day. (AP Photo/Alvaro Barrientos)
