"Pelosi said her concerns about the North's proliferation deepened after a trip to the North many years ago. "When we went to Pyongyang, and we talked about missiles, we talked about MIAs and POWs, we talked about home, we talked about a number of subjects. But about the missiles, because the development of missiles was a national security issue of concern," Pelosi said. "They said, 'Look, we just make these to sell. You want to buy them? We'll sell them to you,'" she said. "