Quote(What has changed, Straub said, is the Western view of North Korea. In the past, North Korean misbehavior was often rewarded with Western attention and aid from Japan and South Korea. But after North Korea conducted its second nuclear test in May 2009, "opinion changed in a fundamental way," he said.

"Before there was a tendency of government officials to say, 'Well, maybe if we try hard enough to persuade the North Koreans to give up the bomb, they will,' " he said. "Now the conclusion of most people, including in the Obama administration, is that they can't see the North Koreans giving up their nuclear weapons on terms that would be acceptable to anyone." )

Cannot see Obama giving up on offering more rewards to North Korea.