EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)
EditorialDavid Gelernter, a Yale computer science professor, and survivor of an attack by the Unabomber Theodore Kaczynski, in his home in Woodbridge, Conn., Oct. 21, 2011. (Christopher Capozziello/The New York Times)