U.S.S. Lincoln Begins 13,000-Mile Journey Home, and the Shortage That Could Take Down the Grid

Plus, your Friday news quiz. Here’s what we’re covering: The Message Behind Trump’s Threats of ‘Economic Warfare’ Against Iran, by Anton Troianovski and Alan Rappeport Weary U.S.S. Abraham Lincoln Leaves Middle East, by John Ismay Trump Fired the Watchdogs. Their Replacements Have a Different Mission., by Luke Broadwater What if America Went Completely Dark?, by Christopher Cox Humans Love Having Pets.