The U.S. territory of Puerto Rico has entered debate over marijuana. Sen. Miguel Pereira filed a bill last week that would permit adults 21 and older to possess up to one ounce of marijuana, arguing that 80 percent of inmates are serving time for non-violent crimes and that possession cases cost the government money. [caption id="attachment_6323" align="alignleft" width="226"] Sen. Miguel Pereira[/caption] The actions of the former federal prosecutor and corrections secretary roused mixed emotions.…