by Mark Finkelstein December 22, 2005 - 07:50 Who would have thought the peaceful Quakers would be used as a spearhead? Yet ironically, in the debate over national security and surveillance, liberals are attempting to beat the Quakers' plowshares into swords. This morning's Today show offered a prime example. In to debate was elegant lefty Katrina vanden Heuvel of The Nation and that most unreliable of Bush defenders, Pat Buchanan. Credit Katie for at least identifying The Nation as a 'liberal' magazine. Needless to say she labeled Buchanan "conservative." And in fairness, Couric hit vanden Heuvel with a tough first...