the vietnam war. in japan, fix more fukushima plant workers may have been exposed to excessive levels of radiation after the earthquake and tsunami in march. the disaster caused meltdowns and leaks at several plants. doctors have confirmed that two men are exposed bringing the number of effected workers to eight. next, as fighting rages in libya, new pictures of gadhafi sitting down for a game of chess. when you play chess against gadhafi, you have to let him win. and developing now, president obama is expected to speak about creating more jobs any minute now in north carolina. we'll bring that to you live when it happens right here on "andrea mitchell reports."