United Nations (United States) (AFP) – Russia and the United States faced off Monday at the UN Security Council over Moscow’s troop buildup on the Ukrainian border, as Western nations intensified their high-stakes diplomatic push to avert open conflict in Europe. With tensions soaring, the United States had vowed to push back against any “disinformation” Moscow put forward in one of the most closely watched United Nations sessions in years. The US-requested meeting came with fears growing of an imminent incursion into Ukraine, despite Kremlin denials. US President Joe Biden released a statemen…