From certain precincts on the left, notably Barney Frank, to certain precincts on the right, notably the editorial page of National Review, we are witnessing a new push to end the so-called war on drugs and legalize drug use, starting with marijuana. Indeed, Ron Paul, Barney Frank's co-sponsor in the latest legislative effort, said recently he would go so far as to legalize heroin. It's a bad idea. My friends at National Review begin their case by stating the illegalization of drugs has "curtailed personal freedom, created a violent black market and filled our prisons." But the legalization of drugs,...