The National Rifle Association has published an index of its opponents. What's the point of itemising your foes?
Britney Spears is on there. So, too, was Barry Manilow, the makers of Ben & Jerry's ice cream and R&B crooners Boyz II Men.
There's also George Clooney, the Kansas City Royals baseball team, Chaka Khan, Hallmark greeting cards and the American Nurses Association.
This rather disparate group might not appear, at first glance, to have much in common.