Will Barack Obama legalize marijuana

Answer 1

This comes from the White House:

"Marijuana legalization for any purpose is a non-starter in the Obama administration."

Also "The costs of legalizing marijuana would outweigh any possible tax that could be levied."

As for medical marijuana, federally the only thing close to marijuana that you can be prescribed is Marinol which comes in the form of a pill or liquid. Some state governments allow actual marijuana to be prescribed but anyone participating in the use of it, even though prescribed can be punished by federal law.

So the answer is no.