A simulation of a multicity terrorist attack led by the Department of Homeland Security last May found massive gaps in the nation's communications infrastructure during crisis situations, according to a DHS after-action report released in mid-December. The $16 million exercise, called TOPOFF 2 (short for "top officials"), involved more than 100 U.S. and Canadian government officials nongovernmental organizations, modeling their responses to a mock radiological dirty bomb explosion in Seattle and release of pneumonic plague in multiple areas around Chicago...
