Shots ring out at Universal Ostrich farm in Edgewood, B.C.

WASHINGTON, D.C. — President Donald Trump is using tariffs on steel imports — especially Canadian steel — to bolster the U.S. industry. But protectionism in this sector is nothing new. The CATO Institute, a libertarian think tank in Washington, D.C., recently examined decades of government efforts to protect steel and found that the industry remains sluggish. Clark Packard, a research fellow in CATO’s Herbert A. Stiefel Center for Trade Policy Studies, and Alfredo Carrillo Obregon, a research associate, published their findings in a report last week, prompting the National Post to...