The U.S. may be exporting natural gas at a record clip, but that hasn’t stopped it from accepting new imports. A tanker with fuel from Nigeria has berthed at the Cove Point import terminal in Maryland, while a second ship with Russian gas is idling outside Boston Harbor. Pipeline constraints, depleted stockpiles and a 98-year-old law barring foreign ships from moving goods between U.S. ports is opening the way for liquefied natural gas to be shipped from overseas with prices expected to spike as the East Coast winter sets in. The two tankers are carrying about 6 billion cubic feet of LNG, enough to power 150,000 homes for a year. At one point Thursday, the ship carrying Nigerian fuel to Cove Point passed another tanker in the […]