good health. u.s. space travel will depend on the soyuz flights once nasa moth balls the "discovery" shuttle program at the end of the year. and now back to the crisis on the korean peninsula. the deadly assault not only frayed nerves but caused a shakeup when that country's government with folks still mourning the loss of the four people killed by north korea's artillery. the president in south korea appointing a new defense minister, the previous one resigned yesterday, reportedly for failing to keep the military forces ready in an area that is seeing repeated clashes with the north. and now our asian affairs expert, a author of "coming collapse of china." north korea says we are on the brimpleg of war. we are not really? >>guest: i don't think so. we are on the brink of conflict on the peninsula. it will take a long time because