By Jacqueline Bart and Carrie Wright ( November 27, 2017, 10:50 AM EST) -- The legalization of marijuana is no easy feat. It is not simply a matter of changing the existing drug laws to remove marijuana. Legalization requires that the government regulate access, growth, manufacturing, transportation and the sale of marijuana, affecting numerous federal and provincial laws. There is one factor, however, that does not appear to have been considered: the impact on immigration law....