EMP, a civil war in Mexico, and supergraphics

"The U.S. Supreme Court hears arguments Tuesday in a case that pits an individual's right of free speech and association against a federal law aimed at combating terrorism. At issue is part of the Patriot Act that makes it a crime for an American citizen to engage in peaceful, lawful activity on behalf of any group designated as a terrorist organization."

CATCHING UP:
* Authors of the Bush torture memos get off scott free.
* The drug war as a civil war in Mexico.
* Five ways to lose the Senate.
* 'A puzzled Canadian ponders surreal U.S. health-care debate.' (Courtesy asimplelife.)
* What next for Iran?
* Signs of the times: LA sues over supergraphics.
* 'The Boogeyman Bomb: How afraid should we be of electromagnetic pulse weapons?'
* The Explainer on why spies use lame fake beards.