[Know your rights]

So turning the drug legalization decision over to the individual states, therefore, would be pointless.

That doesn't follow ... "effective" is not a binary, yes-or-no condition. If a state thought that small reductions in use of a popular drug like alcohol or marijuana was worth it, they could adopt that policy. They just have no business setting policy for other states.

[robertpaulsen]

"effective" is not a binary, yes-or-no condition."

This is what makes you king of the weasels.