North Korea/South Korea: Secretary of State Hillary Clinton called the situation between the North and South "precarious" and has expressed support for measures to punish North Korea for its attack on a South Korean warship. BBC correspondent, John Sudworth reports from Seoul.
Listeners Respond: We brought you a story Friday about how a team of scientists in Maryland had developed the first synthetic living cell, new living bacteria created from non-living parts. Today we hear what you think of the issue. Is this science or science fiction?