The Week in Pictures: Feb. 16 - 23

Callista Gingrich, wife of Republican presidential candidate, former House Speaker Newt Gingrich, reads to children at Chaparral Elementary School Wednesday, Feb. 22, 2012, in Gilbert, Ariz. (AP Photo/Evan Vucci)

Palestinian children throw stones at a vehicle driven by an Israeli settler woman as she makes her way along Route 60 to a Jewish settlement which passes close to the village of Beit Omar in the Israeli occupied West Bank, on February 21, 2012. Stones were thrown after it was supposedly announced by the settlers that they would patrol the roads between the Jewish settlements of Kiryat Arbaa and Gush Etzion which lead to the southern entrance of Jerusalem. AFP PHOTO/HAZEM BADER (Photo credit should read HAZEM BADER/AFP/Getty Images)

In this Saturday, Feb. 18, 2012 photo provided by NASA Wallops, a rocket flies through the aurora borealis after lifting off from the University of Alaska's Poker Flat Research Range near Fairbanks, Alaska. The mission was launched by a NASA funded group of 60 researchers studying electrical activity in the aurora borealis and the likelihood it's interfering with GPS and other signals. Cornell University says the 46-foot rocket sent back data as it flew through the aurora at an altitude of 217 miles. (AP Photo/NASA Wallops, Lee Wingfield) MANDATORY CREDIT

This Saturday Feb. 18, 2012 image taken from amateur video made available by the Shaam News Network Wednesday Feb. 22, 2012, shows a man touching the face of his son, who was purportedly killed by Syrian government shelling in Homs Syria. (AP Photo/Shaam News Network) THE ASSOCIATED PRESS CANNOT INDEPENDENTLY VERIFY THE CONTENT, DATE, LOCATION OR AUTHENTICITY OF THIS MATERIAL. and

A Kashmiri employee of Public Health Engineering (PHE) shouts slogans after being detained by the police during a protest in Srinagar February 23, 2012. Protesters said the police detained dozens of PHE temporary employees on Thursday during their rally to demand for permanent jobs. REUTERS/Danish Ismail (INDIAN-ADMINISTERED KASHMIR - Tags: CIVIL UNREST BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY)

Children play with a ball during a flood near their house in Jakarta February 23, 2012. Heavy rain caused flooding in some parts of the capital. REUTERS/Supri (INDONESIA - Tags: ENVIRONMENT DISASTER SOCIETY TPX IMAGES OF THE DAY)

A Hindu holy man, or sadhu, applies ashes on his face at the premises of the Pashupatinath Temple during the Shivaratri festival in Kathmandu February 20, 2012. Hindu holy men from Nepal and India come to this temple to take part in the Shivaratri festival which is one of the biggest Hindu festivals dedicated to Lord Shiva and celebrated by devotees all over the world, with holy men smoking marijuana and some smearing their bodies with ashes and praying. REUTERS/Navesh Chitrakar (NEPAL - Tags: RELIGION SOCIETY TPX IMAGES OF THE DAY)

An Afghan man aims a sling shot toward US soldiers at the gate of Bagram airbase during a protest against Quran desecration on February 21, 2012 at Bagram about 60 kilometres (40 miles) north of Kabul. Afghan protestors firing slingshots and petrol bombs besieged one of the largest US-run military bases in Afghanistan, furious over reports that NATO had set fire to copies of the Koran. Guards at Bagram airbase responded by firing rubber bullets from a watchtower, an AFP photographer said as the crowd shouted \"Allahu akbar, Allahu akbar\" (God is greater). AFP PHOTO/SHAH Marai (Photo credit should read SHAH MARAI/AFP/Getty Images)

A boy with a painted face holds a mirror with other boys reflected in it during preparations before a parade as part of the Barranquilla Carnival in Barranquilla February 18, 2012. REUTERS/Joaquin Sarmiento (COLOMBIA - Tags: ENTERTAINMENT SOCIETY TPX IMAGES OF THE DAY)

A policeman reacts by firing live rounds from a pistol, after being struck in the head with a rock by anti-government protesters, during running clashes in central Dakar, Senegal Friday, Feb. 17, 2012. Anti-government protesters and police clashed for a third consecutive day Friday, engaging in running street battles of rock throwing and tear gas in the streets of Dakar's downtown Plateau neighborhood. Demonstrators are defying a government ban on protests to call for the departure of 85-year-old President Abdoulaye Wade, who is running for a third term in next week's election.(AP Photo/Rebecca Blackwell)

A child stands with his father as they wait to receive blankets and winter jackets from Welthungerhilfe, a German NGO, during a snow fall at a camp for internally displaced Afghans in Kabul, Afghanistan, Monday, Feb, 20. 2012. More than 40 people, most of them children, have frozen to death in what has been Afghanistan's coldest winter in years, an Afghan health official said Monday.(AP Photo/Musadeq Sadeq)