The Presidents of the United States and Mexico and the Prime Minister of Canada will meet in Washington this afternoon to renew what was once a regular tradition but has recently been more honored in the breach than the observance.
A great deal has happened since the last North American leaders’ summit — dubbed the Three Amigos gathering, probably because it sounds a lot more fun than the drab reality of talks on border issues, trucking and trade. Events of recent years would have been considered impossible when then-Presidents Barack Obama, Enrique Peña Nieto and Prime Minister Justin…
