Is Russia going to invade Ukraine and what does Putin want from Nato?

As NATO warns Russia is trying to stage a pretext for invading Ukraine, how big is the risk of a war? Tom Tugendhat, a Conservative MP and chair of the Foreign Affairs Committee, gives Andy Bell a breakdown of the Ukraine-Russia crisis, the reasons behind it and what Boris Johnson must do to show he’s serious about facing down Putin. How Did We Get Here? Explaining the News is a podcast from 5 News. Join Andy Bell as he explains the world's biggest news stories through interviews with politicians, experts, and analysts. Produced by Silvia Maresca.