With an estimated value of $1.5 billion annually, marijuana has surpassed tobacco as North Carolina's top cash crop. In an attempt to slow down the harvest, some landowners in the Tar Heel State last week began posting signs with the slogan MARIJUANA WATCH near the remote fields where pot is grown. The idea is to show that the owners are cooperating with lawmen, thereby avoiding possible seizure of their property if marijuana is found on it.
Though many landowners are enthusiastic about the scheme, the American Civil Liberties Union is concerned that it could undermine the Bill of Rights. A.C.L.U. lawyer...