President Jose Mujica has been busy defending his bill to regulate the marijuana market in Uruguay. First he asked the world to help him end marijuana prohibition, and now he is asking his country’s own politicians to understand the bill. As the bill approaches its final vote, which will be held in the full Uruguayan Senate, conservative opposition is calling for a referendum if the bill passes. Gerardo Amarilla, a member of the National Party and a conservative Member of Parliament has voiced his…