Courtland Milloy of the Washington Post wrote a heart-breaking story that exemplifies the wasteful and counterproductive way our society deals with illegal drug use. Mr. Milloy talks about Frances Johnson, a 68-year-old grandmother in Washington, D.C. who faces eviction simply because her grandson was arrested for possessing a small amount of marijuana. The federal government's public housing system has a "one strike and you're out" policy for any drug...