If we want to do something about this, we need to look carefully at the current conditions and craft a policy that acknowledges the situation to do the best we can now. To simply say,”No AR-15’s!” Is pretty useless.
If I were king, I would impanel a bipartisan commission to carefully look into the current situation and come up with ideas to address our problems. Take testimony from people who actually have a clue about this stuff. Select a respected national LE professional (if there still is one) to lead it. Louis Freeh? Is he still respected? Publish a report with actionable recommendations at the end.