belongs in jail. >> we're joined by former director of intelligence james clapper, thank you for taking the time tonight. the president's tweet on north korea bears repeating. "north korean leader kim jong un just stated the nuclear button is on his desk at all times. will someone please inform him that i too have a nuclear button but it is a much bigger and more powerful one than his and my button works," exclamation point. general clapper, beyond the colorful language in the tweet here, is the president of the united states making a nuclear threat to north korea? >> i think he is. and i just think it's very disturbing. in one sense it would be amusing if it weren't for the gravity of the subject. when we're casually back and forth, by whatever means, kind