The Washington region's emergency managers have concluded that the high-tech devices put in place since the Sept. 11, 2001, terrorist attacks are not enough to warn masses of people. So they are looking at the system that alerted the World War II and Cold War generations: the piercing wail of a... -
All Ears for a Blast From the Past
The Washington region's emergency managers have concluded that the high-tech devices put in place since the Sept. 11, 2001, terrorist attacks are not enough to warn masses of people. So they are looking at the system that alerted the World War II and Cold War generations: the piercing wail of a...-
By Lisa Rein