Since October 1, 2017, high publicity mass murders in the US break down like this:
ISIS – 8
Domestic terrorists – 84
We will talk seriously about gun regulation when the Fox News audience is as fearful of being shot to death by a hotheaded White guy while walking around downtown as they are of being run over by a Uzbeki.
In other words, the carnage must be as spectacular as bringing down the World Trade Center.