So how does Katherine Franke, the former Columbia law professor ousted for discriminating against Israeli students, bid adieu to the New York City Ivy? By renewing the canard that Israeli students, during an anti-Israel protest last year, peppered protesters with a “toxic chemical” that caused “such significant injuries that several students were hospitalized.” The substance turned out to be none other than a “non-toxic, legal, novelty item” — fart spray.