missiles. these missiles included cruise missiles capable of going 100 miles out to strike ships at sea. they flew a missile all the way over japan and were backing away from the world's nuclear agencies that keep track of nuclear programs. that also excited concern. of course, by 2003, by this point, more developments. we found out, in fact, they did have a nuclear program, which they denied for a period of time and on and on it progressed, wolf. here's the thing, throughout that process, there was a constant push-pull. there would be fears, alarm around the world, and often what followed were deals, concessions, that gave them food or gave them fuel or gave them new technology. wolf? >> but in the past few years, it seems to have entered a whole new phase, hasn't it? >> it's as if these negotiations and results keep moving up to a more dangerous level. by 2009, look at this. we're talking about these border tensions where they shelled those islands off the coast of south korea, sank that ship out