Tom Doyle (back left) standing with family and co-workers, wipes his face as the funeral procession for 6-year-old James Mattioli, who died in the Sandy Hook Elementary School shootings, approaches the St. John's Cemetery on Tuesday, Dec. 18, 2012, in Darien, Conn. Center are his wife Debbie and daughter Emily, 10. Adam Lanza opened fire at the Sandy Hook Elementary School in Newtown on Friday, killing 26 people, including 20 children.

Shoes are placed on the streets between the Mexican and U.S. embassies to symbolize the crossing of Central American migrants between both countries, in commemoration of the 22nd anniversary of International Migrants Day, in Guatemala City, Guatemala, on Tuesday, Dec. 18, 2012. More than 75,000 Central American migrants were deported from Mexico in 2012, and many others have been victims of abuse, kidnap and murder by organized crime gangs on their way to the U.S., according to an activist from the National Office of Migrants.

Protesters opposing President Mohamed Mursi shout slogans as they demonstrate in front of the presidential palace, where Republican Guard Force tanks have been deployed, in Cairo on Tuesday, Dec. 18, 2012. Opponents of Mursi staged protests in Cairo on Tuesday against an Islamist-backed draft constitution that has divided Egypt but looks set to be approved in the second half of a referendum this weekend.

Carl Fisher uses a smartphone to snap a picture of a mural in the Mission District in San Francisco, Calif. on Tuesday, Dec. 18, 2012. Instagram, the popular photo-sharing service owned by Facebook Inc., said Tuesday it has "no plans" to incorporate user photos into ads in response to a growing public outcry over a new privacy policies unveiled this week.

A girl plays next to Christmas decorations in Rio de Janeiro on Tuesday, Dec. 18, 2012.

A Christmas tree is seen in the main hall of the Galeries Lafayette department store in Paris, on Tuesday, Dec. 18, 2012.