The tabloids - which are consumed by a far larger and, excuse my snobbery, FAR stupider and less discerning public - knowingly lie and distort the truth all day every day for profit. Newsnight didn't even actually name McAlpine.
The bastards are clever.
I'm fairly sure the reason they are currently attacking the BBC so hard is a result of the BBC screening The Leveson Inquiry in its entirety.
But you're reading a blog on The Huffington Post