In the Winter of 2007, my wife and I came upon the idea of taking an around the world cruise. Our reasoning: most importantly, we were both in good health and were not limited physically from enjoying all the experiences such a trip could provide; we were both retired and could reasonably afford such a trip if we were prudent in selecting among all of the add-on op-tions. We had taken multiple Caribbean cruises over the years and were "ship ready"...