Since President Trump and Kim Jong Un’s summit in June, the two leaders have issued a series of statements in English. South Korean President Moon Jae-in has weighed in too, with vague words promoting hope for denuclearization and a better life for the North Korean people. Yet Mr. Moon tells a different story in Korean.
Consider the speeches the South Korean president delivered in North Korea last month. At a dinner on Sept. 18, he declared he was “truly astonished by Pyongyang’s development.” He didn’t say how this “development”...