Britain's Home Secretary Alan Johnson arrives to speak at an event on security at the Royal Society of Arts and Commerce in central London November 2, 2009. David Nutt, the government's former chief narcotics adviser, sacked last week, for campaigning against the government's drug policy, warned on Monday that more of his colleagues might resign in protest. Nutt, head of the Advisory Council on the Misuse of Drugs (ACMD), was dismissed by Johnson, after he said the drugs were less harmful than alcohol. Reuters Pictures 3 weeks ago

Britain's Home Secretary Alan Johnson arrives to speak at an event on security at the Royal Society of Arts and Commerce in central London November 2, 2009. David Nutt, the government's former chief narcotics adviser, sacked last week, for campaigning against the government's drug policy, warned on Monday that more of his colleagues might resign in protest. Nutt, head of the Advisory Council on the Misuse of Drugs (ACMD), was dismissed by Johnson, after he said the drugs were less harmful than alcohol.