Just days before his death, Charlie Kirk was on a speaking tour in Asia—stopping in South Korea and Japan. At Build Up Korea 2025 in Seoul, under elaborate pyrotechnics, he told a crowd of mostly Christian youth that a conservative wave among young men was rising worldwide. He boasted that he had “brought Trump to victory,” tying U.S. right-wing triumphs to a global phenomenon. In Tokyo, Kirk appeared at a symposium hosted by Japan’s nationalist Sanseito party, which has gained support with anti-immigration and “Japanese first” messaging. He warned of a “silent invasion,” urged resistance to the “globalist menace,” and...