We're now more than 18 months into the pandemic that most of us never thought could or would ever happen. Unlike anything else we've experienced in our lives, this virus affected the entire planet -- every person in every country at every far-flung corner of the earth. As far as I can surmise, this is the first time, at least in my lifetime, that the entire planet was sharing an experience... one that just won't end. The ramifications are enormous and largely still unknown. Adam Tooze, professor of history at Columbia University who was named by Foreign Policy magazine as one of the top Global Thinkers of the decade, joins us today. His new book, released just yesterday, is "Shutdown: How Covid Shook the World's Economy"