JAPAN’s DAMAGED REACTORS | The threat of a nuclear meltdown at the damaged Fukushima nuclear power plant was compounded by high radiation levels for workers addressing the crisis. Five days into the crisis, aid workers shifted the focus of their operations from rescue to relief. Alex Thomson, Angus Walker and Sarah Smith of Independent Television News report on the latest from Japan.
RADIATION THREAT | The governments of Australia and Germany advised citizens to leave Tokyo and northeastern Japan due to the threat of radiation, and the U.S. Embassy recommended Americans stay at least 50 miles away from the damaged reactor. Gwen Ifill talks with experts about possible health consequences from the radiation.
NUCLEAR ENERGY IN THE U.S. | Kwame Holman reports on how Japan’s nuclear crisis is renewing the debate about the use of nuclear power in the United States.
GADHAFI ADVANCES IN LIBYA | Judy Woodruff talks to Dartmouth College’s Dirk Vandewalle about what’s next for Libya as Moammar Gadhafi’s troops advance and recapture key rebel-held cities.
NASA’S MISSION TO MERCURY | Science correspondent Miles O’Brien reports on NASA’s latest deep space ambition: to explore the planet closest to the sun.