3,300 grave markers that represent the number of people who have died as a result of gun violence since the tragedy in Newtown, Connecticut are on display on the National Mall April 11, 2013 in Washington, DC.
3,300 grave markers that represent the number of people who have died as a result of gun violence since the tragedy in Newtown, Connecticut are on display on the National Mall April 11, 2013 in Washington, DC. MCT
3,300 grave markers that represent the number of people who have died as a result of gun violence since the tragedy in Newtown, Connecticut are on display on the National Mall April 11, 2013 in Washington, DC. MCT