Just hours after President Donald Trump announced massive new tariffs on nearly all imports to the United States, a bipartisan group of senators made the first push to stop the most nonsensical part of Trump's global trade war. With a 51-48 vote, the Senate approved a resolution to block Trump's tariffs on imports from Canada, which he imposed by declaring an economic emergency in early February. The measure to cancel that emergency declaration, sponsored by Sens. Tim Kaine (D–Va.) and Rand Paul (R–Ky), faces an uncertain future in the Republican-controlled House and a near-certain veto if it reaches Trump's desk—but...