"Whatever his faults and excesses, it's really very unfortunate that Pim Fortuyn was killed, as he was someone willing to have this debate and respond directly to people like Abou Jahjah. "
Actually, it was just unfortunate that he was killed, full stop.
Europe's inability to manage immigration will be the source of great economic difficulty. Like the US, without immigration flows Europe will see its population decline. Unlike the US, Europe currently has too little immigration, and its demographic pyramid is worsening steadily. Add in generous old-age benefits, and you have a recipe for long-term economic decline across Europe.