After Terrorism Scare, Airport Screeners on High Alert

In airports across the country today, would-be passengers chugged bottled water and tossed toothpaste, lotion and soap in the trash. The federal government says items like these — and other liquids and gels — could be used to sneak explosives onto planes, and banned them from carry-on luggage. As security checkpoints crack down, what are they looking for?

Guest:

Paul Wilkinson, professor of international relations, chairman of the Center for the Study of Terrorism and Political Violence at the University of St. Andrews, in Scotland

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