On Sandy Hook anniversary, U.S. activists call for gun restrictions

(Reuters) - U.S. gun control activists called for expanded background checks for firearms purchasers and for a ban on sales to people on federal watch lists on Monday, in a protest marking the third anniversary of the massacre at a Connecticut elementary school. Speakers including U.S. Representative Gerry Connolly, a Virginia Democrat, and survivors of recent U.S. mass shootings made their call outside the Fairfax, Virginia, headquarters of the National Rifle Association lobbying group. On Dec.