This is no April Fool's joke: back in the mid 1960s, the United Nations was involved in a effort to produce a series of made-for-TV movies promoting their work. How effective was it? Well, ask yourself if you've ever heard of it - if you haven't, that should tell you just successful it was.
You can read all about this little-known piece of TV and political history in my latest article over at the terrific TVParty! (And I don't say that just because they've published a couple of my pieces - Billy Ingram really runs a wonderful site. After all, I'm there, right?)