Resolution 1718 also requires the DPRK to abandon its ballistic missile program in a complete, verifiable and irreversible manner.

WHITEHOUSE: The White House

And the United States has channels of communications directly with the DPRK and those are the channels we choose to employ.

WHITEHOUSE: Press Briefing

Until now, the Obama administration has made little effort to negotiate with the DPRK, instead focusing on the U.S. relationship with South Korea.

FORBES: Turn The Problem Of North Korea Over To Its Neighbors