Opinion: Trump is biggest unknown in looming North Korea summit

Heartwarming pictures of North Korean Leader Kim Jong-Un being greeted at the border by South Korean President Moon Jae-In dominated news last week. While the summit, the first time a North Korean leader had ever stepped into the democratic South, was flawlessly executed in terms of optics, it was decidedly less effective in providing steps for “denuclearizing” the peninsula.
Last week’s South-North Summit, the third between leaders of the two countries, re-affirmed previously