One of the major cop-outs in the illegal immigration debate is this: There are millions and millions of foreigners already here. It would be an overwhelming task to find and deport them all. Let me suggest a good starting point – an all-out declaration of war on the organized criminal street gang MS-13, comprised mostly of illegal aliens and now threatening the lives and quality of life of nearly all Americans nationwide. Just last week, for instance, the Washington Post reported three leaders of the Mara Salvatrucha participated in or planned four murders in the area during a span of...