Salvage teams on Monday freed a colossal container ship stuck for nearly a week in the Suez Canal , ending a crisis that had clogged one of the world’s most vital waterways and halted billions of dollars a day in maritime commerce. Helped by the high tide, a flotilla of tugboats wrenched the bulbous bow of the skyscraper-sized Ever Given from the canal’s sandy bank, where it had been firmly ...