the Clitons wont do it they had their chance twice and passed without puffing. its hard to say leaglize when you deny you inhaled.
As far as Obamba no for him to because he will be the first MINORITY president and he will wnat to set a PRESIDENT for others to follow in his footsteps.
If you want a canidate that will leaglize try a libritarian canidate. its what the whole party believes in.
this will need to be states rights issue. and then the federal government can back off on enforcement. thus keeping the president safe from makin controversial decision and it will be leagle where people are accepting of it.