Members of the class of 1918, the last class to hold a "Cannon Scrap" on campus, serenade the Douglas Cannon at their 55th reunion in 1973. Rumors have it that the cannon may return this year during Reunion & Commencement Weekend. Below, the cannon makes an appearance in Paris, France in the mid 1980s. Posted 04/02/07 There are no promises, but rumors have been heard that the 139-year-old Douglas Cannon a revered Wesleyan artifact may make an appearance during the 175th Commencement this May. John Driscoll, director of alumni relations, says he's heard vague rumblings that the cannon…