What President Obama doesn't seem to want to understand is that you cannot negotiate or speak in rationale terms to rogue governments and insane leaders!
The sad reality is that threats uttered by even a strong leader have little impact on nations such as North Korea and Iran.
Obama: "...Obama implored the North’s leaders “to have the courage to pursue peace,” but warned that unless they changed their ways, the country would face “more isolation.” But neither he nor other administration officials have said what steps the U.S. will take should North Korea launch the missile..." (Source)
North Korea sounding very much like Iran: "..."Our country has the right and also the obligation to develop satellites and launching vehicles," Jang Myong Jin, general manager of the launch facility, said during a tour, citing the U.N. space treaty. "No matter what others say, we are doing this for peaceful purposes..." (Source)