The bioterror bible Know what Army lab knows about deadly germ agents WASHINGTON – Have you seen the government's new tips for protecting yourself from biological and chemical attack? Some counterterrorism experts say they're so general they're virtually useless. And you can put away the duct tape and plastic sheeting the Homeland Security Department initially recommended to shut out deadly agents. They won't likely protect you from a biological attack – not unless you plan to seal your doors and windows right now and live like a hermit. Symptoms from most agents take several days to show up, and even...