Shira Ovide has a follow-up report on yesterday's news that multiple envelopes containing white powder were sent to The Wall Street Journal's executives. Apparently, the powder was non-hazardous, "probably flour or a food-based substance, police officials said, citing preliminary tests." Ms. Ovide says the F.B.I. will still investigate the mailings since there may be a connection ...

Five years after the 11 September attacks, Alan M. Dershowitz says we need a new intellectual paradigm to deal with the terrorist threat, and a range of modern security measures. If we fail, the risk is a clamour for true authoritarianism Harvard It is five years since the attacks on the World Trade Center and the Pentagon, but Western democracies ...

PREEMPTION : A KNIFE THAT CUTS BOTH WAY S by Alan M. Dershowitz W.W. Norton,

Should the state take action against people who have done nothing wrong, if there are plausible grounds for thinking that they are about to? Suppose, says Alan Dershowitz, that reliable intelligence shows that a large-scale terrorist attack is about to happen. Should the law allow ...