The city of Copenhagen wants to legalize cannabis and, if possible, get supplies of the drug from the United States. Following a Europe-wide trend, Denmark’s capital has been planning a three-year experiment that would aim to wrest the city’s soft drugs trade away from criminal gangs and place it under direct municipal control. But while city officials overwhelmingly support the move, the Danish national government may not let them proceed. Last year the national government rejected more tentative plans that Copenhagen city councillors had approved by 39 votes to 9.