Alarms, hoaxes tax nation Police nationwide overwhelmed with worried calls; labs stay open overnight to test white powders.
Anthrax scare doesn't deter Congress 'The world's greatest deliberative body' refuses to stop working despite confirmed case.
Cipro plants run 24-7 Bayer triples production of anti-anthrax drug, says it won't raise price; other drugmakers may make generic version.

Bombs hit near Afghan capital Five explosions rock northern part of Kabul; Taliban anti-aircraft guns don't respond.
Red Cross compound hit mistakenly U.S. warplanes pound Afghanistan again, but errant strike may create major PR problem.