South Korean President Lee Jae Myung is losing sleep. That’s what he told a crowd on Juju Island earlier this week while discussing the consequences, for his economy, of the U.S. and Israel’s attacks on Iran. “This latest war in the Middle East has made it clear that the energy transition—that is, the major shift to renewable energy—is no longer a national and historical task that can be postponed,” he said. Continuing to rely on imported fossil fuels, he warned, “makes the future very dangerous...