Last week's headlines prove the point: North Korea fires missiles, Iran talks of nukes again, Iraq carnage continues, Israel invades Gaza, England observes one-year anniversary of subway bombing. And, oh, yes, the feds stop a plot to blow up tunnels under the Hudson River. World War III has begun. It's not perfectly clear when it started. Perhaps it was after the Berlin Wall fell and the Cold War ended. Perhaps it was the first bombing of the World Trade Center, in 1993. What is clear is that this war has a long fuse and, while we are not in the...