We have a quadruple threat this month: Rapier, Sidesword, Longsword, and Quarterstaff. Yes some of our most senior students at Academie Duello in Vancouver are having their minds overloaded as they move through a day of classes -- now it's your turn at home to enjoy the same overwhelming sensation. Longsword Focus http://duello.tv/featured-videos/this-week-in-class/ This week…