The temptation to comment on the sleaze currently oozing out of Washington in the battle for control of Congress, tainting the guilty and the innocent alike, is almost irresistible. It can wait. A much more important story unfolded last week in an Amish schoolhouse in Pennsylvania, a tale of forgiveness and grace that brings into sharp focus the clash of cultures in which we are now engaged. We have heard repeatedly over the last five years that Islam is a "religion of peace hijacked by radicals." The President of the United States, in a vain attempt to appear evenhanded, has...