Two Senate sources told CNN the handwriting on the letter also was similar to the block-style writing on the Daschle and Brokaw letters.

CNN: FBI releases photo of Leahy anthrax letter

Rep. Henry Waxman in a letter yesterday urged Sec. of State Hillary Clinton to block permits for the cross-border pipeline.

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By using the cursor to select smaller and smaller groups of letters within this block, a patient can eventually indicate which letter he wishes to add to the message he is composing.

ECONOMIST: Neurology

In a bi-partisan display of pork barrel politics, Congressional officials in Northwest salmon country are making it clear that they will pull out all stops to block the FDA from issuing a final approval letter.

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