Brazil is playing North Korea right now at the World Cup.
The world? No. A city, perhaps. These lunatic crazies just sank a South Korea corvette without any provocation, whatsoever. Who really knows what they're capable of. While it's currently impossible for them to launch a nuclear weapon and hit any US territory, it's not impossible for them to destroy Seoul, or to load up a nuke and sail it into Pearl or LAX harbor.
They do make a lot of seemingly "empty" threats, but the sinking of Cheonan was anything but an empty threat.
"Please , Mr. Bar room brawler, don't hurt me or anything like that".
Jerry Lewis as Buddy Love in The Nutty Prof. right before he belted the bully but good.