Trump tariffs test Republicans ahead of midterms
President Trump faces an uncomfortable political dilemma ahead of the impending midterm elections: how to stand by the tariffs at the heart of his economic agenda when Republican voters are less convinced of their benefits.Why it matters: Since returning to the White House, Trump has moved more aggressively than any modern president to remake the global trading system, with sweeping tariffs at the center of that effort.But with Americans already frustrated by high prices — including a wartime surge in energy prices — his signature economic policy threatens to become a political liability for Republicans fighting to retain control of Congress.Driving the news: In what is the clearest example yet of how midterm politics are complicating Trump's tariff agenda, the White House exempted certain Canadian imports from 50% tariffs following pressure from Sen. Susan Collins (R-Maine), who faces a tough reelection race.The exemptions cover agricultural machinery, plywood and packaging materials — offering relief to Maine farmers and businesses. Collins touted her role in securing the exemptions, pledging to seek further tariff relief and a broader trade agreement with Canada.Of note: The ta…