With the world wide medical research published on the use of cannibus the US needs to end it's prohibition.
Medically cannibus has been used for thousands of years for many illnesses and current research shows many benefits. If it had been legal my sister and aunt may not have died.
It has been shown that there is little evidence that recreational use of cannibus by responsible adults has any lasting negative effects.
Hemp helped build this country and we are foolish not to use it as a renewable product. Cloth, rope and many other items can be made without harming the environment.