<p>On the third anniversary of the massacre at Sandy Hook Elementary School, some gun industry and law enforcement leaders called Monday for the federal government to close a loophole that allows thousands of people to buy firearms each year without background checks.</p> <p>Those supporting an end to gridlock...</p>
<p>On the third anniversary of the massacre at Sandy Hook Elementary School, some gun industry and law enforcement leaders called Monday for the federal government to close a loophole that allows thousands of people to buy firearms each year without background checks.</p> <p>Those supporting an end to gridlock...</p>