With more than 100,000 Russian troops stationed at its border with Ukraine, and NATO forces on standby, things continue to deteriorate in Europe. Leaders around the world, including here in Australia, are trying to navigate the situation, while Russia continues to deny its plans to invade Ukraine. But what is the real likelihood that Europe is on the brink of its first war in decades? Gorana Grgic, USSC senior lecturer, was interviewed on ABC's RN Drive program.