The George W. Bush and Barack Obama administrations both threatened war, setting red lines that Pyongyang almost always went on to cross. Mr. Bush even declared North Korea to be one third of the “axis of evil,” along with Iraq, which the United States military invaded the next year. Continue reading the main story RELATED COVERAGE Opinion Editorial Fears of Missiles, and Words AUG. 9, 2017 Opinion Op-Ed Contributor It’s Not Too Late on North Korea AUG. 10, 2017 Answers to 4 Crucial Questions About North Korea AUG. 9, 2017 Trump’s ‘Fire and Fury’ Threat Raises Alarm in Asia AUG. 9, 2017 THE INTERPRETER The Hidden Messages in North Korea’s Military Parade APRIL 18, 2017 The Interpreter A column and newsletter by Max Fisher and Amanda Taub exploring the ideas and context behind major world events. North Korea’s Nuclear Arms Sustain Drive for ‘Final Victory’ JUL 29 Pakistan, Ousting Leader, Dashes Hopes for Fuller Democracy JUL 28 Why Uprooting Corruption Has Plunged Brazil Into Chaos JUL 14 When the Kremlin Says ‘Adoptions,’ It Means ‘Sanctions’ JUL 10 North Korea and Its Weapons Programs Are Now a Fact of Life JUL 7 North Korean leaders correctly assessed those threats as empty, never sending the countries careening into an unintended war. And the threats didn’t seem to affect American credibility. It’s not clear that Mr. Trump, by upgrading the adjectives in his own threats, changes much.