Ahhhhh, grasshopper .. you forget which country lives next door to NK. The US doesn't have to engage in it. Semicolon; go on with the sentence.
I've been to China and South Korea, I'm familiar with the local geography. It's the assassination angle I'm not buying. Perhaps you can interest Tom Clancy in the plot, because otherwise it runs into some real life hurldes that you can't deus ex machina your way out of.