Geo, so much can be done...........
Something very simple like a short 20hr. course in high school.
Geese, how many get through high school and don't know how to manage a check book?
There's other ideas that would have to pass through the Supreme Court:
Forced insurance. Not just for loss of gun but for damages.
Implanted ID chip on the handle, national data base.
Medical/psychological testing every four years.
These may sound a bit extreme.............
Most opposition to gun control is from rural and even suburban Americans.
Most Americans (and police) who live in cities understand the risk.
“To be yourself in a world that is constantly trying to make
you something else is the greatest accomplishment.” ---Ralph
Waldo Emerson