A remarkable new paper by a Cornell law professor and CFTC staff counsel suggests that many aspects of high frequency computer trading (HFT) may be, in fact, illegal under various provisions of basic commodity law. Heretofore, it was generally assumed that HFT was legal, but disabused and impacted markets in disruptive manner on occasion. Many, like myself, never looked on HFT favorably, but few have tried to make the legal case against it. The author, Gregory Scopino, writes in his personal…