The "unified" countries of Europe are being challenged to crack down on terrorists within their own borders—while preserving the values of liberal democracy. We update the scene in Brussels after the second terrorist attack in just four months and hear the response of candidates for the White House who've seized the issue for their campaigns.
Later on the program, Paul Ryan calls for greater civility in American politics. What else does he have in mind?
Photo: Police control the access to Brussels central train station in Brussels, Belgium, March 23, 2016. (Vincent Kessler/Reuters)