I’ve already described a bogus theory about a secret “McCarthyist” signal. Now here’s real example. Rashid Khalidi, newly appointed to Columbia University’s Edward Said chair of Middle East Studies, delivered a secret McCarthyist signal to viewers of Al Jazeera. While speaking (in English) against H.R. 3077, Khalidi switched into Arabic and showed what he really thinks of intellectual diversity. Martin Kramer explains.