On Oct. 31, 2002, a 15-year-old boy was shot in the stomach by another 15-year-old at Lincoln High School in Jersey City, N.J. The next day, another student was attacked blocks from campus. The incidents caused a community outcry, prompting calls for heightened security.
Thomas Edison got it wrong. He predicted that everyone who pinned their hopes on the future of alternating current was just wasting their time.