/`] The World's First Educational Ericjoke

Eric agrees with the conventional wisdom that the U.N. Secretary-General is the world's hardest job - in the morning, how do you know whether to dress for taking dictation or taking prisoners?

And now, the educational part - what do the following have in common: Dag, U, Boutros Boutros, Kofi, Ban?

The answer can be found at http://en.wikipedia.org/wiki/United_Nations_Secretary-General