<p>You would think that the more militant forms of Islam would be enough to worry about these days, for those inclined to anguish over religious extremism. But no. Apparently the Lutheran Church-Missouri Synod deserves our special concern. In late June, the church suspended the Rev. David Benke, the president of its Atlantic District and the pastor of a Brooklyn church, for praying with clerics who don't share the Christian faith.</p>