After the sacking of the Government's chief drugs adviser for criticising cannabis policy, JACK GROVE asks figures in Cambridge's scientific and medical worlds whether he was right to speak out.

AS he set out his controversial argument, that "cannabis is less harmful than alcohol and tobacco", Prof David Nutt must have known his time as the Government's chief drug adviser was nearing an end.

Were any leading MP or minister to make the case, it would surely be political suicide, leading to censure from their party and condemnation from the papers and public.

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