The United States has allowed a Russian tanker loaded with crude oil to sail for Cuba despite a de facto American oil blockade on the energy-starved Caribbean island, the New York Times reported Sunday. The Anatoly Kolodkin — which is reportedly carrying 730,000 barrels of crude oil —  was just off the eastern tip of Cuba and sailing at 12 knots on Sunday, ship tracking data showed. It is slated to arrive at the port of Matanzas on Tuesday, news agency AFP reported. Reversing his previous