Lesley Stahl reports on the U.S. military’s Defense Advanced Research Projects Agency (DARPA) and Dan Kaufman, who heads its software unit
Lesley Stahl reports on the U.S. military’s Defense Advanced Research Projects Agency (DARPA) and Dan Kaufman, who heads its software unit, working on cyber warfare and making the Internet more secure. Watch Stahl's report on Sunday, Feb. 8 at 7 p.m. ET/PT.
