U.S. school shooting survivors, victims' families gather in Capitol Hill

Family members who have lost their beloved ones and survivors of mass shootings gather in front of the Capitol Hill in Washington D.C. on Dec. 18, 2012. Families of victims share with the media a letter signed by families who have lost beloved ones in all of the recent mass shootings across the country. The letter will be delivered to the White House and Members of Congress. (Xinhua/Fang Zhe)