A month ago, South Korean President Lee Jae Myung’s top enemy on X, formerly known as Twitter, was Ukrainian President Volodymyr Zelensky. He accused Zelensky of breaking a confidentiality agreement by disclosing Ukraine’s transfer of two North Korean prisoners of war to Seoul, an agreement Kyiv disputed.

Ukraine had made “the head of state of the other country a liar,” Lee wrote, referring to himself in the third person, as he often does in many of his recent posts. Seoul then announced the recall of its ambassador. A fight on X had acquired diplomatic consequences.

Now his enemies are