Why don't you read it again and actually think about it?
"Commits to work toward"
That's a gap big enough to throw a Pontiac sideways through. This is literally the "nth" time (I've lost count) that North Korea pledged to work towards denuclearisation. At least ten times, probably more. And yet here we are.
Oh, and by the way- perhaps you might want to read up on what the North Korean definition of "denuclearisation" means.
