By Tamas Csonka in Budapest Brussels authorities ordered the shutdown of a two-day gathering of radical right-wing leaders and pundits in Brussels on April 16, triggering a political firestorm as the Belgian PM and other leaders condemned the ban as an assault on free speech. Organisers of the National Conservatism Conference (NatCon) announced on Wednesday morning that the conference would go ahead ‘despite frantic and continuing efforts’ by Brussels officials to cancel it at the last minute. The conference demonstrates the spread and rise of the radical right in Europe. The radical right Eur…