"We're going to continue to stand our ground, " he told a business group in a speech in Seoul Friday, saying the U.S. doesn't bluff on security matters.

WSJ: U.S., South Korea Offer North Talks, and a Warning

But given the mess both Greece and the euro are in, the threat that Athens could yet call the eurozone's bluff won't go away.

CNN: What if Greece can't manage payback?

It's like Call My Bluff without the cleverness, but it doesn't actually fit in anywhere.

BBC: Liar

He's here to call their bluff, to tell them the truth they don't want to hear: most of their principles are bad (if well intentioned) and will ultimately lead to nobody making any money, having any ownership over the quality of their creations, or any way to support themselves on the internet -- outside of giant companies whose main source of revenue is online advertising.

ENGADGET: Book Review: You Are Not a Gadget Alt

"We don't need any more information because we had hundreds of people cooperating, " was the bluff, as Capt.

NPR: 'Gamble' Author: Iraq War Only Halfway Over