“all federal drug laws are unconstitutional unless the drugs cross state lines.”
We have constitutionally ratified treaties that require drug control.
“We have constitutionally ratified treaties that require drug control.”
Treaties must be made in pursuance of the Constitution. Fedgov cannot nullify the Tenth Amendment with a treaty. Would you defend a treaty that signed away your Second Amendment rights? I’m guessing you wouldn’t.
So why would you defend a treaty that signs away the Tenth Amendment?
The highest law in the land is the constitution. The constitution can not be amended via treaty. If the drug control laws you are talking about involve drugs crossing borders (state or national) then they would be constitutional. Anything else should fall to the states.