president would give away too much. he didn't. he left without giving away what people were worried about. on the other hand, even though you have to be prepared to walk as the president said repeatedly this morning, it's a long way to fly. 8,000 miles is a long way to fly literally and figuratively. going to kim jong-un for a second time it is a long way to fly just to walk with nothing. >> on the one hand the president would say we tried. it's good to show you were serious about getting this kind of a deal. his critics will say he continues to act like he can have a good faith negotiation with a dictator who doesn't have any interest in denuclearizing. that became clear to the president. this is an interesting moment in his presidency. he seems to be acknowledging objective reality on a foreign policy matter he's tried to will into existence. we'll see what the aftereffects