Rep. Mac Thornberry (R-TX) introduced legislation yesterday that would realign the federal government in a way that he says will better prepare the nation for threats against the homeland. The legislation, called the "National Homeland Security Act," would merge the Federal Emergency Management Agency, the Coast Guard, the Customs Service and Border Patrol into a new entity called the National Homeland Security Agency (NHSA). The new agency would be "the federal government's principal response agency in times of natural disaster...