How much will the success of U.S. President Donald Trump’s summit with North Korean leader Kim Jong Un depend on the quality and depth of Trump’s own preparations? Shortly after Trump’s inauguration, his national security team at the time embarked on a strategic review of the North Korea issue, the outcome of which was the decision to pursue a classic “boat-rocking” strategy — a variant of the one the Trump team has also pursued on the Iran nuclear issue. Have Trump and his advisors done enough planning and preparation to be able to improvise wisely when it comes to North Korea?