North Korea has a highly visible tower at a nuclear facility . US President Bush welcomes decision , but North Korea still has work to do . Nuclear experts say that the plant 's destroyed central water-cooling tower would take a year or longer to rebuild if North Korea were to try using the plant again . ` Bush says he 'll remove North Korea from list of state sponsors of terrorism .
North Korea has a highly visible tower at a nuclear facility . US President Bush welcomes decision , but North Korea still has work to do . Bush says he 'll remove North Korea from list of state sponsors of terrorism .