We were just on a tauck river cruise on the Rhine and it had to be modified and shortened due to the low water levels.  It is really bad on the Rhine and a few locals said it hasn’t been that bad since 2003.     At first we we wondered why the cruise even took place because the water levels were SO LOW and virtually unsailable in places.   They said that the previous cruise, that came from Basel to Amsterdam, completed. The explanation we were given was that they forecast a 48 hr perio