There’s also a wide disparity between perceptions and reality of regulation. A vast majority of Americans support a background check. In fact, the idea is so obvious that most Americans believe such checks are already mandated.

“No doubt, the NRA is influential. Not so much because of the campaign contributions it makes to candidates, but because it can count on an energized grass-roots base of gun-rights supporters to turn out at the polls and badger elected officials with calls and emails. But that influence has limits, and there are plenty of reasons to believe that it is on the wane.

For one thing, the proportion of Americans with guns has been steadily declining, to its lowest level in decades, though there are recent signs that the decline has leveled off. (The reason why the number of guns continues to rise despite this demographic trend is that the remaining gun owners are buying more and more weapons.) Meanwhile, gun ownership is growing more heavily clustered in certain states. That limits the voting power of the gun lobby.”