The Mercury News' Dan Gillmor weighs in: "What happened on Tuesday was an act of war. The American government and military should and will respond in kind. If law enforcement and national security agencies declare war on the American people in the process, they will give the terrorists a gift. The despicable people who planned this will triumph if we add to the damage. Link Discuss
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.