As Russia intensifies its war on Ukraine, it's also escalating its so-called shadow war against the West. Over the weekend, a railway line in Poland that was a link to Ukraine was sabotaged, and Polish officials say Russia was behind that attack. Some NATO allies are urging the US government to take this Russian threat more seriously.>> Yeah, they're warning that its military is already beefing up its presence along Baltic and Finnish borders. Among those is the foreign minister of Estonia. He has called Ru ...