The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. March 27, 2012 World Leaders Hold Summit on Nuclear Security ---------------------------------------------- At a summit in Seoul, South Korea, world leaders pledged today to secure all vulnerable nuclear material by 2014 and to boost security to keep the ingredients for nuclear weapons out of the hands of terrorists. Analysts estimate there are at least 4.4 million pounds of stockpiled weapons-grade nuclear material left over from decommissioned bombs and atomic-fuel plants — that’s enough to make at least 100,000 new nuclear weapons. .