Kim Jong UnKim Jong UnTrump must hang tough on North Korea Otto Warmbier parents vow to pursue North Korean assets Trump must regain his advantage over Xi Jinping and Kim Jong Un MORE’s announced new weapons test and his ultimatum to Washington to strike a deal before the year is out reinforce the urgent need for President Donald TrumpDonald John TrumpGiuliani associate prepared to testify Nunes aides scrapped Ukraine trip to avoid alerting Schiff Democrats pledge sharp turn in US ties with Saudi Arabia Schumer praises former Navy chief after ouster MORE to return to the clear-eyed positions he took on issues involving China and North Korea during the campaign and as president-elect.In his run for the presidency, Trump’s lack of foreign policy experience was widely seen as a decided disadvantage. Yet, somehow, with his instinct and practical business experience, he managed to grasp the strategic realities undergirding the China and North Korea problems far more astutely than did his opponent Hillary Clinton or his senior adviser Henry Kissinger.ADVERTISEMENTHe took great pleasure in criticizing his predecessors for failing to come to grips with the economic and security threat from China and the nuclear security threat from North Korea. He claimed…