“It’s a good idea for everybody to keep some perspective, take a deep breath, keep in mind that we’ve have a long history, about 27 years of history, of talking to the North Koreans, and the results over the 27-year history are of them breaking every agreement that they’ve ever made with the United States and with the international community,” that official said. “So, we are open minded, we look forward to hearing more, but ... the North Koreans have also earned our skepticism, so we’re a bit guarded in our optimism.”