The Channel 4 anchor, best known for dazzling ties and a terrier like interview technique, swapped his desk and over-starched suit for a chance to trial some seriously potent skunk.
The selfless task was for Drugs Live: Cannabis on Trial, a Channel 4 show about the effects of skunk and hash on the brain. Jon sucked down the drug through one of those big vaporiser balloons that rich American frat boys use. Check it out:
Needless to say, Jon started pranging out. He even claimed his time reporting in a warzone was preferable to being on the brink of a whitey. That might be a bit extreme - but if you've ever been forced to drive, play Wii Sports with your extended family or re-sit your GCSE maths after you've caned a 1/4, you'd probably pick Gaza too.
Unsurprisingly, Jon says he 'never wants to be subjected to that again.' Check out his blog post here:
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