White House Economic Adviser Larry Kudlow calls Canada trade row a "family quarrel"

The US trade dispute with Canada is a "family quarrel, White House economic adviser Larry Kudlow said on Fox News Sunday and added that Canadian Prime Minister Justin Trudeau is overreacting to the issue.  

Kudlow also said the steel and aluminum tariffs on US allies "may go on for a while" or "they may not" as the matter is subject to negotiations.