David Letwin speaks at the panel “Silencing Dissent: False Accusations of Anti-Semitism Against Palestine Solidarity” In particular he criticizes a New York Times writer named Roger Cohen and a piece Cohen wrote “An Anti-Semitism of the Left”. The panel was at the Left Forum 2016 Second part of the panel here https://youtu.be/utwIW3kf4K4 third part of the panel here https://youtu.be/N6l1qbAQU2k