Visit the  historic Hacienda Del Sol Guest Ranch Resort and find old world charm and casual luxury for travelers of any age.  We were invited to meet one of the Hacienda’s owners over dinner while we visited Tucson, Arizona.      The Resort overlooks Tucson from the Catalina Foothills. It is included in the National Registry of Historic Places In Arizona and is a member of Historic Hotels of America.  The Tucson area is home to a number of world-famous spas and ranches where Oprah Winfrey and other celebrities find rejuvenation.      Even in our wildest dreams, Stu and I never expected to be hosted by one of the Hacienda’s owners and…