No word game necessary. The government may legally (ie., constitutionally) prohibit any drug, recreational or not. And they have.
Pitiful.. - You 'beg that question' instead of proving your point. -- Where do you find a delegated 'power to prohibit' in the Constitution? [see the 10th]
No question begging necessary. The power to regulate includes the power to prohibit. So says the US Supreme Court. Need a link to a court case?