U.S. President Donald Trump and North Korean leader Kim Jong-un have entered into “a cycle of escalation” over the latter’s nuclear threats (targeting Guam). Both sides are indulging in “belligerent rhetoric,” to appeal to different domestic constituencies, according to  Jacques deLisle , a professor of law and of political science at the University of Pennsylvania Law School and director of the University’s  Center for East Asian Studies . Adds Stanford adjunct professor Richard Dasher , director of its US-Asia Technology Management Center: “The Asian region is filled with conflict and controversy right now.” The two discussed the implications for neighboring countries on the Knowledge at Wharton show  on Wharton Business Radio on SiriusXM channel 111 . (Listen to the podcast at the top of this page.) Here are the key takeaways from their discussion: The Guam Situation It’s a complete mess and some of this is “just a set of intractable problems,” says deLisle.…