After years in which California appeared to be a candidate for a century or more of drought, and areas in Texas, Oklahoma and northern Georgia had droughts bad enough to affect the local economies, America is finally free of the worst measure of drought, based on the official definition. Among the five levels of drought designated by the U.S. Drought Monitor, “exceptional drought” is the worst. It is defined by two measures: Exceptional and widespread crop/pasture losses Shortages of water in reservoirs, streams and wells creating water emergencies No single part of America has this…