It’s a very special Worldly today, as Zack hosts Sen. Michael Bennet — the first Democratic presidential candidate to appear on Worldly. Their conversation ranges from big picture conversations about the global threat to liberal democracy to policy details on America’s troubled alliances with Israel and Saudi Arabia to why Sen. Bennet thinks Facebook should be understood as a national security threat.  Hosts: Zack Beauchamp (@zackbeauchamp), senior correspondent, Vox References: Here’s Sen. Michael Bennet’s presidential campaign website. Watch Bennet’s speech at the Council on Foreign Relations this week. Bennet spoke about his Facebook concerns on a previous Vox podcast. More to explore: Subscribe for free to Today, Explained, Vox’s daily news podcast to help you understand the news, hosted by Sean Rameswaram. About Vox: Vox is a news network that helps you cut through the noise and understand what's really driving the events in the headlines. Follow Us: Vox.com  Newsletter: Vox Sentences  Learn more about your ad choices. Visit podcastchoices.com/adchoices