The United States is vulnerable to a devastating electromagnetic pulse event caused by a high-altitude nuclear blast or solar superstorm, according to a recently published book. Peter Pry, a former CIA analyst and author of the book EMP Manhattan Project, is urging the government to rapidly harden the U.S. electric power system against EMP similar to the three-year crash program to build the first atomic bomb in 1942. "Today the United States and the world faces another existential threat—from an electromagnetic pulse (EMP) catastrophe that can be caused by nature or man, and topple the technological pillars of modern electronic...