The Pentagon has put 50 of Afghanistan’s powerful opium barons on a “kill or capture” list, signalling a radical shift in tactics against the Taleban. The announcement came as the commander of US forces in Afghanistan, General Stanley McChrystal, admitted that the insurgency, nurtured by tens of millions of dollars from the country’s vast poppy fields, now held the upper hand. The existence of the “joint integrated prioritised target list” — a rogues’ gallery of drug lords who are earmarked for arrest or assassination — is revealed in an unpublished Senate report obtained yesterday by The Times. It was confirmed...