We all make mistakes. From time to time, even the most venerable people and institutions will, in a moment of weakness, say or do something regrettable. Even Fox News, the fair and balanced beacon of truth, experiences the occasional ethical hiccup. For example, take a look at the following Media Matters video clip. There's a summary of Fox's tiny indiscretion below it.
It's bizarrely coincidental that Fox's accidental snafu happened during a segment on "attack journalism." That's so...something.