Kate Clark investigates efforts to stem the opium trade in Afghanistan.
BBC Radio 4
Gerry Northam investigates drugs given to tens of thousands of elderly dementia sufferers.
Julian O'Halloran reports on the calls for a new generation of coal-fired power stations.
BBC Radio 4 FM
Fran Abrams investigates the financial war against terrorism.
Allan Urry reports from Liverpool, whose City Council is faced with mounting debts.