Martin Barnes, chief executive of the charity DrugScope, said reclassifying crystal meth was a "sensible precautionary measure".

BBC: NEWS | UK | UK Politics | Crystal meth to be class A drug

So if you make Sudafed hard to buy but it does not have a lasting effect on meth abuse, that would be Type I error.

FORBES: Losing The War On Meth And Sudafed At The Same Time

Roman Abramovich may appear to have the attention span of a squirrel on crystal meth but the one thing you cannot argue with is the success he has brought Chelsea.

FORBES: Abramovich Has Made Chelsea The Soccer Success Story Of The 21st Century