AMSTERDAM — With pressure mounting on the Dutch Islamic community in the wake of arson attacks against various mosques and the murder of Theo van Gogh last week, plans were unveiled Tuesday to combat extremism on both sides. Muslim organisations will actively search out radicalism in their mosques in a bid to stamp it out and, on the initiative of Islamic lobby group CMO, they will be given a strategy book instructing them what to do to combat extremism. The book will make it easier for imams — many of whom are said to have difficulty with the Dutch language...