And now, a word from Captain Obvious...

N. Korea cuts talks with South - Asia-Pacific - MSNBC.com

"So far they don’t seem to be interested in listening, much less doing anything," U.S. Assistant Secretary of State Christopher Hill told reporters in Beijing. "I think the Chinese are as baffled as we are."

I know why North Korea is being so brazen: they've been emboldened by what's going on with Iran. DUH!