In the wake of the Sandy Hook school shooting in late 2012, a new saying became popular among gun rights advocates: “The only thing that stops a bad guy with a gun is a good guy with a gun.” (The phrase is widely credited to National Rifle Association CEO Wayne LaPierre.)

The logic behind the saying goes like this: In an era of mass shootings, the best (only?) defense is to be armed yourself. Shooting back at a shooter may be your only chance at living through such an incident. We need more good people with guns — not fewer.
Which brings us to Tuesday afternoon in Seoul, South Korea where President Donald Trump was asked by a reporter whether he might support “extreme vetting for people trying to buy a gun” in the wake of the Texas church shooting on Sunday that left 26 people dead.

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“There is not even the slightest hint in the data that (right to carry) laws reduce overall violent crime,” wrote Donohue, concluding that violent crime was somewhere between 13-15% higher in states that have right to carry laws than if that same state had not passed that sort of legislation.