In the wake of Osama bin Laden’s death, I am reminded of that great Navy SEAL commercial where there’s no words or music — just footprints on a beach being washed away by the waves. It recalls George Orwell’s observation that we sleep peaceably in our beds at night “because rough men stand ready to do violence on our behalf.” U.S. Special Forces are the best in the business, and the bin Laden operation shows the persistent lethality and reach of the U.S. military. As for President Obama — good for him. This is the first time he’s coming across...