The cinema chain has announced it will no longer allow costumed face-masks and fake guns into its screenings. Which is the only reaction one could have possibly expected. Bring the government around a table and discuss the entire issue of weapons/US society? Don't be silly.
Some people are born with a far higher propensity for 'evil' (not a great word) than your average Joe; I'm no psychologist but until we work out how to get to them before they at some point commit awfulness, awful things will continue to happen.
I think that we've got it about right - regular...