As drug use has gone up, gun control has gone up accordingly. The graphs are identical. Liberals would prefer to have their drugs, than the right to be armed. That's why they are trading our gun rights for legalizing their drugs.
The cities with the highest drug use, such as San Francisco, New York, Los Angeles, Baltimore, D.C., also have the most strict gun control.
As drug use has gone up, gun control has gone up accordingly. The graphs are identical.
You have yet to show that the drug use graph has in fact gone up.