On August 5, 2007, President Bush signed the Protect America Act of 2007 into law. The law, an amendment to the Foreign Intelligence Surveillance Act of 1978 (FISA), extends the government's authority to wiretap without a warrant. In light of the new law, Science Friday (Ira Flatow) consulted wiretap experts Matt Blaze, a technologist and professor of computer and information science at University of Pennsylvania, in Philadelphia and Susan Landau, Distinguished engineer at Sun Microsystems Laboratories about the science of wiretapping.Matt Blaze explains old-style wiretapping
Susan Landau explains where NSA tapping might take place
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