Washington Capitals' Jason Chimera, top, joins teammates to celebrate a goal by John Carlson against the Boston Bruins during the first period of Game 7 of an NHL hockey Stanley Cup first-round playoff series, in Boston on Wednesday, April 25, 2012. AP Photo/Charles Krupa) ORG XMIT: MACK101 (Charles Krupa / Associated Press)
Life-size figures made of concrete by artist Cristel Lechner are shown at the Maximilian park in Hamm, western Germany, Wednesday, April 25, 2012. The German artist installed 80 figures open air all over the park for her exhibition "Ordinary People". (Martin Meissner / Associated Press)
Breanna Summers, 8, rests in the arms of her father, Army helicopter mechanic Damion Summers, during a program to honor military families at Lee Hall Elementary school in Newport News, Va., on Wednesday, April 25, 2012. (Amanda Lucier / The Virginian-pilot)
First lady Michelle Obama poses for pictures after speaking at a fundraising lunch for the charity Girls Inc., in Omaha, Neb., Tuesday, April 24, 2012. (Nati Harnik / Associated Press)
A North Korean girl plays the piano while the other on unicycles performs at the Kaeson Kindergarden in Pyongyang, North Korea Tuesday, April 24, 2012. (Vincent Yu / Associated Press)
A Pakistani is seen through the wreckage of a Bhoja Air Boeing 737 passenger plane that crashed on Friday, killing all 127 people on board, on the outskirts of Islamabad, Pakistan, Monday, April 23, 2012. The Pakistani government mandated Sunday that all airplanes operated by private airlines must undergo a new inspection to determine whether they are safe to fly, days after a crash near the capital killed 127 people.The Bhoja Air crash Friday was the second in Pakistan in less than two years involving a private Pakistani airline. In both cases, the planes went down in bad weather as they approached the main airport in Islamabad. (Muhammed Muheisen / Associated Press)
A girl peers through gap of makeshift tents at Jalozai camp for internally displaced people near Peshawar, Pakistan on Monday, April 23, 2012. Thousands of people have fled from Pakistan's Khyber tribal region due to fighting between security forces and militants groups. Pakistani security forces have frequently conducted major operations to try and secure the country's western border with Afghanistan. (Mohammad Sajjad / Associated Press)
Tong, a seven-year-old chimpanzee, drinks water from a pipe that an official sprayed to cool him off as temperatures rose to nearly 40 degrees Celsius (104 F) at Dusit Zoo in Bangkok, Thailand Thursday, April 26, 2012. (Apichart Weerawong / Associated Press)
This Thursday, April 26, 2012 photo provided by the CU Independent shows a bear that wandered into the University of Colorado Boulder, Colo., dorm complex Williams Village falling from a tree after being tranquilized by Colorado wildlife officials. Colorado University police spokesman Ryan Huff said the bear was likely 1-3 years old and weighed somewhere between 150-200 pounds. (Andy Duann / Cuindependent)
View a gallery of photos from the week of April 23, 2012.