Yes, Republicans, you can take advantage of this heated circumstance, backed by the families of the 9/11 victims, in their most emotional return to the public stage since 2001. But please don't do it. There are a handful of good reasons to oppose allowing the Islamic center to be built so close to Ground Zero, particularly the family opposition and the availability of other, less raw locations. But what is happening now — the misinformation about the center and its supporters; the open declarations of war on Islam on talk radio, the Internet and other forums; the painful divisions propelled...