Can America's awful politics be fixed? - with Steven Levitsky

Once both sides in a two-party system start playing hardball - as we see in the battle over the US Supreme Court, for example - it's very difficult for either to stop, with potentially dangerous consequences. So can America's hyper-partisan politics deescalate a notch or two? Not easily, according to Steven Levitsky, a Harvard professor and co-author of How Democracies Die, a book about how healthy political systems can be destroyed if voters become extremely polarised.