Donald Trump’s return to the White House has triggered a fresh wave of protectionism, with the imposition of 25% tariffson imports from Canada and Mexico starting today.This decision effectively violates the USMCA—the very free trade agreement Trump championed to replace NAFTA during his first term. His dissatisfaction with his own deal underscores a clear pattern: Trump’s America does not feel bound by negotiated trade pacts, no matter how recent or hard-fought they may be.