US President Donald Trump has authorized Ukraine to launch long-range strikes on Russian territory, US Special Envoy for Ukraine Keith Kellogg told Fox News. Speaking directly about the strikes deep into Russia, Kellogg said that "they sometimes got some authority, sometimes they didn't." "Everybody should follow what the [US] President says. He's the Commander in Chief, by the [US] Constitution, and everybody falls in line," the US special envoy noted. And when asked by the program host whether the US president's position is really that Ukraine can launch long-range strikes against Russia, and that this was authorized by Trump, Kellogg,...