Historian Ted Widmer discusses his new Carnegie Council podcast series "The Crack-Up" and how 1919 has shaped the modern world. He and host Alex Woodson speak about parallels to 2019, Woodrow Wilson and the League of Nations, Babe Ruth, the early days of Hollywood, and populism in Europe in the aftermath of World War I. Don't miss a new "Crack-Up" tomorrow with Harvard historian Lisa McGirr on prohibition and the American state.