Sandy Hook Elementary students leave on a school bus in Newtown, Connecticut on January 3, 2013. Hundreds of US elementary school children who survived the gun massacre of 20 of their schoolmates and ... more 

Sandy Hook Elementary students leave on a school bus in Newtown, Connecticut on January 3, 2013. Hundreds of US elementary school children who survived the gun massacre of 20 of their schoolmates and six staff finally returned to class Thursday at a new, heavily-guarded building less