For the first known time since alumni festivities started in about 1906, the Table Rock-Steinauer Alumni Association had to call off the annual banquet. It was the big year for the 50-year class of 1970. They will have to share honors at next year's banquet with the Class of 1971. However, the Alumni Association wanted the 50-year class to feel special. Sherry Winkinhofer, Class of 1975, came up…