The translation slip-up is a little more complicated than that. Present Google with the phrase by itself, and its French translation engine mechanically presents you with “the American President.” But if you were to go to this Le Monde story from Monday, 20th Aug for example:
and hit the “translate” button at the top of the page, what you get is this:
Google has been asked to explain the odd error, and we will let you know what we hear back. Have you run across any odd translation bugs in the service? Let us know in the comments.