Edward Markey actually said...

"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."

"There can be no sanctions relief for North Korea unless the regime makes significant progress toward completely, verifiably, and irreversibly dismantling all of its nuclear, chemical, biological, and ..."

"the benefits of their cooperation"

"Ten years. So, in addition to nuclear, there are also missile issues, chemical issues, human rights issues, cyberhacking issues."