I implore all of you to read this blog post by Ask A Korean! on the topic of the current geopolitical tension. While I will write my own commentary very soon, this is a pretty good synthesis of the whole situation:
“North Korea is vigorously denying the accusations, but at this point there appears to be no other possible culprit. The critical piece of evidence was a remainder of a propeller for a torpedo, which carried Korean lettering. South Korea, along with the United States, is right now considering ways to respond to this attack, likely resulting in harsher sanctions.”
ROKS Cheonan — What You Need to Know, What You Need to Think About