General James E. Cartwright, who had established a small cyberoperation inside the United States Strategic Command, which is responsible for many of America’s nuclear forces, joined intelligence officials in presenting a radical new idea to Mr. Bush and his national security team. (..)
It fell to Mr. Panetta and two other crucial players in Olympic Games — General Cartwright, the vice chairman of the Joint Chiefs of Staff, and Michael J. Morell, the deputy director of the C.I.A. — to break the news to Mr. Obama and Mr. Biden. (..)

“We think there was a modification done by the Israelis,” one of the briefers told the president, “and we don’t know if we were part of that activity.”