The comic strip is We Stand Guard, written by Brian K. Vaughan and drawn by Steve Skroce. To “stand on guard” are Canada’s citizens, who must keep a close watch on the decidedly aggressive intentions of their giant neighbour, the US. The plot is set in a disconcerting but unfortunately plausible future, in about one hundred years from now: apparently the fight against global warming does not seem to have gone very well, the climate has changed and despite huge technological progress, the US have been devastated by a drought. In Salt Lake City, Utah, skirmishes between the police and demonstrators in front of the federal centres where potable water is distributed occur on a daily basis and the super green North East of the United States has become some sort of desert. V...