Summary: Virginia Heffernan talks to Slate's Mark Joseph Stern about the opening arguments at the Supreme Court today surrounding Trump's travel ban and then is joined by Ian Bremmer to chat through his new book <em>Us vs. Them: The Failure of Globalism</em>.<br><br>Do you have tickets to our live show yet? <a href="http://www.slate.com/live.html">We'll be live at the Brooklyn Bell House on May 30th with a special guest!</a>
