Trump's Border Wall Fantasy Returns as ICE Vetting Failures and Tariff Threats Loom Over Canada

Donald Trump teased an AI-generated image of a massive air filter along the U.S.-Canada border on Saturday, labeling it a "MERV 16 High Efficiency Particulate Air Filter." The post comes as smoke from nearly 860 active Canadian wildfires blankets U.S. cities, affecting over 100 million people with dangerous air quality. Trump has threatened to add pollution-related costs to tariffs on Canadian imports, saying "We're going to put a big tariff on...