Edward Markey actually said...

There can be no sanctions relief for North Korea unless the regime makes significant progress toward completely, verifiably, and irreversibl...

Congress's involvement will be crucial in any successful diplomatic effort with North Korea.

I think we need to only give up sanctions directly related to concrete action on those things upon which the sanctions were imposed.

It is my hope that, during the summit, it will be made clear to the regime that the only goal of our negotiations is denuclearization.