Cohen, who used to work at the State Department, has just collaborated on a book with Google Chairman Eric Schmidt. He's spending an hour online to answer your questions on how digital innovation is changing the world--and not necessarily for the better. Ping him now.
Four months after his visit to North Korea, Google's chairman talks about how new technology can provide autocrats with some pretty nasty tools. No amount of surveillance cameras and face-recognition technology, however, can beat courage and the desire for freedom, he says.
The youngest ever member of the Policy Planning staff showed the State Department how to use technology for diplomacy. Now Cohen's going to see if some of the thorniest foreign policy issues can be tackled from the private sector.