In the wake of the Brussels terror bombings, ProPublica senior reporter Sebastian Rotella and Frontline senior producer Dan Edge discuss extremism in Europe. Rotella has been covering counterrorism in Europe and elsewhere for years and recently was reporting in Brussels.

In the wake of the Brussels attacks, we're live with ProPublica reporter Sebastian Rotella, who has been covering extremism in Europe for years and just returned from trip to Brussels. He's joined by FRONTLINE (PBS) senior producer Dan Edge.

Posted by FRONTLINE on Tuesday, 22 March 2016