three, because he is unpredictable and has no filter on his thoughts, that's a really toxic combination. we see it in serious areas. trump, as it were twitter tirades, they are like the twitter of the ice burg that's going to sink america's reputation if it continues. >> thank you so much for your insight, scott lucas. we'll be back to continue talking. >> thank you. another provocation from north korea. reports say the regime has successfully tested a powerful new rocket engine. earlier, cnn spoke with our military analyst about the technology significance of this technological significance of this test.