Legalizing drugs would simply shift the "battle" from Mexico to the myriad of hospitals and rehab centers needed to combat the mega-increased addition problems.
Here is how the Swiss dealt with legalizing drugs....well not legalizing them but allowing them to be left alone.
https://www.northcarolinahealthnews.org/2019/01/21/switzerland-couldnt-stop-drug-users-so-it-started-supporting-them/
How do they deal with them?
Wasnt long until the crypto-liberals showed up
I can only imagine what such a Swiss-style program would look like in the hands of Fed.gov leftists and bureaucrats.