I thing because marijuana is not as traditional as tobacco and drinking. At the time almost everybody smoked, politicians included, it was cool. Now is different.
It's unconstitutional for the US to ban marijuana. I would go to court except your rights have to actually be infringed. You can't fight the political machine just because you hate it, which is a pity.
What is wrong with that?
I asked a question...
What... is wrong... with that?