Do you know who is selling you that souvenir T-shirt in the airport? You might want to. In the late 1970s, it became known to international security agencies that the Palestine Liberation Organization (PLO) owned a variety of duty-free shops in airports across Africa. They didn’t get too excited -- selling newspapers and snack food didn’t seem particularly dangerous, and the breech of security posed by terrorists with all-airport access passes doesn’t seem to have aroused any great level of concern. But that was before we stripped to our skivvies and dumped our lattes in order to board a plane. After years of hijackings and the horrors of 9/11, surely we’re smarter now. Or not. Following the ISIS-orchestrated bombing at the Brussels Zaventem airport, part of a two-pronged attack that killed 31 people and injured more than 300, Belgian police disclosed that more than 50 known ISIS supporters are working in the airport as baggage handlers, cleaners, and...(Read Full Article)