President Trump escalates trade tensions with Canada by blocking imports of alcohol, dairy, and motorcycles in retaliation for Canadian tariffs. In New York, the city settles 9/11 air quality lawsuits and releases long-withheld documents on toxic debris, while comedian John Stewart advocates for transparency. Israel reacts angrily to UK sanctions on West Bank settlements, expelling British diplomats. Additionally, US security agencies warn that Chinese AI firms are illegally distilling American AI capabilities, threatening US technological leadership ahead of President Xi's upcoming visit.