Global tumult: In 2019, the struggle to save democracy will face its key tests

Consider our tumultuous times: The President of the United States predicting a popular revolt if he's impeached; the United Kingdom and its government teetering on the edge of an uncertain future; the streets of Paris ablaze with the biggest demonstrations in decades; the mighty German Chancellor easing herself out of power after her party lost ground to an emerging far-right party; Eastern European leaders taking democracy apart brick by brick.