Don't be surprised if terrorists stage a Tet offensive

This spring marks the 40th anniversary of Hanoi's offensive. It will also mark the umpteenth time American enemies have attempted to win in the psychological and political clash of an American election what they cannot win on the battlefield.
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At the operational level, the North Vietnamese Army (NVA) suffered a terrible defeat. However, Tet achieved the grand political ends North Vietnam sought. Tet was a strategic psychological attack launched in a presidential election year during a primary season featuring media-savvy "peace" candidates.
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The terrorists will attempt a series of terror spectaculars, and kill several hundred civilians in the process, because — in the quadrennial turmoil of an American presidential contest — sensational carnage that even momentarily seeds the perception of defeat is their only chance of victory.

http://www.chron.com/disp/story.mpl/editorial/outlook/5411653.html