There’s plenty of debate about what can be done to help stop mass shootings before they ever start, and David Frum seems to think that “red flag” laws could help, and he provided some examples of what might get a flag of that color. Here’s one:

A guy carrying holstered guns in an area where presumably it’s legally allowed while minding his own business counts as a “red flag”?

Frum provided a couple more examples of what he’d consider “red flags”:

After all that, it turns out Frum might help change some minds, and not in the way he might have hoped:

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Yes, that was very helpful.