Blue, you're right.
We all make the typo and when writing a story and trying to proof my own stuff, things get by. I don't have a copy editor, which I did have when I was working at a newspaper.
I've even caught typos and grammar issues on fortune cookies.
And on that note:
www.engrish.com
As far as TV trucks go, sometimes the tech guys don't have the best journalistic backgrounds and do something quickly. I've seen a few errors on the graphics on SportsCenter that make me chuckle, but repeated errors do drive me batty, especially when I have one of those brain farts myself.