If the idea of legalization, or even the availability of medical marijuana is to be based on a state by state basis, then it is the federal government's responsibility to get out of the way of state's right to make their own decision regarding legalization or allowing availability of medical marijuana to their sick and dying citizens. As it stands, so long as drug policy remains at its current point, state legislators will have the right to fall back on an old, tired argument that "federal law supercedes state law", which will then put the decision in the hands of the federal government, or Supreme court. The Supreme Court has already handed down a decision that defends the california medical marijuana law, and I suspect the court will continue to make similar rulings in the future if this case is brought back up to the supreme court. Would it not be more expedient to simply change the law, via congress, and your full throated support? Why must we continually go through the same process time after time, wasting millions or billions of dollars, if we know the eventual outcome?
Please, Mr President. You once said something to the effect of "if you want me to do something, make me do it". Please consider this note my request to make you do it, and begin the process to change the current drug policy laws to lead the charge for states to make their own policies.