
SAN FRANCISCO--Defense Secretary Ashton Carter made a pitch to a crowd of Silicon Valley technology professionals at the RSA security conference on Wednesday: Work for the Pentagon and help the nation solve some of its toughest problems, from cyber operations against the Islamic State to protecting its networks against foreign adversaries.“The idea that you’re a cog in the wheel isn’t the spirit of people in this room,” Carter said. “You can come in and make an enormous difference” in the…