[robertpaulsen]

So if we could wave a magic wand and totally eliminate Substance A from the face of the Earth, we'd see no change whatsoever in the use of Substance B.

Or, more in line with your argument, if Substance A was legal, we'd see no change whatsoever in the use of Substance B.

And if Substance B was legal as some on this board favor? Still no increase?

[tacticalogic]

So if we could wave a magic wand and totally eliminate Substance A from the face of the Earth, we'd see no change whatsoever in the use of Substance B.

I'll consider taking up the question if you promise to swear off lecturing everyone else on submitting pie-in-the-sky hypotheses.