In Seoul, Obama will say US can reduce its nuclear stockpile President Barack Obama is scheduled to speak at Hankuk University in Seoul, Monday, and early reports indicate he will say that the United States could further reduce its nuclear stockpile while keeping promises to international partners, Reuters reported. The Washington Post reported the president will speak out against the spread of nuclear weapons in light of North Korea's plan to launch a satellite with a long-range rocket next month. Obama: North Korean rocket test would isolate regime A White House official told Reuters that the president will discuss also arms control with Russia. "He will reaffirm his commitment to reduce America's nuclear weapons and the role they play in our national security strategy," the official told Reuters. He will commit to a "new framework for civil nuclear cooperation that allows nations to tap the energy we seek without pursuing a fuel cycle that endlessly produces more nuclear materials," the official said. President Obama visited the demilitarized zone between North and South Korea and said China should rein in its communist neighbor. Obama will rely on China to work with North Korea, the Post reported. The president has called nuclear terrorism the United States" biggest threat, according to the Post, and North Korea could prove to be a grave issue.