PARIS, FRANCE - MAY 01: Marine Le Pen gestures as she delivers a speech during the French Far Right Party May Day demonstration on May 1, 2012 in Paris, France. Marine Le Pen, the daughter of the French far-right leader Jean-Marie Le Pen, received only Extremism is now mainstream. Globally, the far right is shaking democracy to its foundations. How did this happen? To find out, Writer at Large Neil Mackay speaks to Dr Joe Mulhall, one of the world’s leading experts on the far right and a man who risked his life infiltrating extremist organisations in order to discover their plans to seize p...