Is SCOTUS ready to take on an "assault weapons" ban?

A challenge to Maryland's ban on so-called assault weapons and the Fourth Circuit Court of Appeals' decision upholding the ban by declaring AR-15s and other semi-automatic rifles aren't protected by the Second Amendment could soon be taken up by the Supreme Court, and the Second Amendment Foundation's Alan Gottlieb explains why he's cautiously optimistic that the Court will take up the case.