Today's Janesville (WI) Gazette carried the "good news" that "Weather-related emergencies handled 'without a hitch'." The local Wisconsin DOT dispatcher efficiently closed the major Chicago-Madison-Minneapolis/St. Paul Interstate highway when a semi jack-knifed. One crash, no lives lost. We are thankful...

Salt is so basic to our existence we often forget its life-saving role as an essential nutrient; consider oral rehydration therapy which has saved millions of lives, particularly in Africa. But salt is not only essential to life, it...