Canada Is ‘at War’ With U.S. Over Tariffs, and U.S.P.S. Publishes Plan to Restrict Ballots

Plus, what it’s like to live next to a roller coaster. Here’s what we’re covering: Canada-U.S. Trade War: What to Know, by The New York Times Pentagon Fires Editor and Publisher of Independent Military Publication, by Minho Kim Postal Service Publishes Finalized Plan to Restrict Mail Ballots, by Adam Sella U.S. Announces Colorado River Cuts for 3 States Amid Drought, by Scott Dance A Drone Killed Three Ukrainians. It Was Guided Entirely by A.I., by Andrew E. Kramer Universal’s New Coaster Is a Scream.