US President Donald Trump could strike a surprise deal with North Korea over its nuclear program, while adopting a more hawkish policy toward China, Pyongyang’s main ally, said Park Hwee-rhak, the dean of the graduate school of politics and leadership at Kookmin University. The most concerning situation, he said, is that Washington might acknowledge Pyongyang’s current nuclear capability in exchange for getting the reclusive regime to agree to stop building nukes capable of hitting the US continent.