HAVANA (AP) — When Hurricane Ian tore through western Cuba in late September, causing an island-wide blackout, it left the government grappling with a deepening energy crisis and simmering discontent among Cubans. It also once again thrust the Caribbean island into the middle of an escalating tug-of-war between its seaside neighbor, the United States, and ally, Russia. At a time when Cuba is urging the Biden administration to ease U.S. sanctions that it says stifle hurricane recovery efforts, Russian oil has flooded into the island, providing relief to debilitating blackouts. Russia has shipped an estimated $352 million in oil to…