And Korea has a lot on its mind other than games right now.
There's a chance that Western culture, and the US, may again be due to grow warm to the South Koreans. But then, there's also a chance it will grow colder, if Koreans feel that, yet again, the US is using other people's countries and lives to fight its economic and political agenda. 
Not to further derail, but I'm pretty sure from interviews I've seen that most South Koreans are not at all worried. They know the U.S. is their ally and will act accordingly to any military incursion against them by the North.
I don't really think there is a political agenda on the U.S.'s part specific to this current bout of news coming out of that region other than the fact that we probably
want to continue flying bombers and jet fighters near the border.
Failure on the U.S.'s part to ease the South Korean people's fears would mean that the South Korean government would have to ramp up their own military, to include development of nuclear weapons of their own (which we don't want).
I kind of see it like what happened with Japan after WWII except it's more of a mutual thing than a requirement based on an old treaty.
This isn't the 1950's anymore, so, any 'new' Korean war that could theoretically occur, would be vastly different than the last one. It would be over in a matter of weeks (the hot portion, anyway).
My personal opinion is much the same as the South's, in that, nothing is likely to happen so long as the North has a way out. The North's only advantage is its control over it's people as far as information is concerned.
