David Kilcullen, the influential counter-insurgency strategist, seeks inspiration in Curzon’s experience as Viceroy of India to assess what Pakistan must do to deal with the extremist threat — and how Nato can help drive the ‘steamroller’Britain’s eyes this week are on southern Afghanistan. US Marines have doubled Coalition troop numbers in Helmand and are moving to clear Taleban base areas as part of Operation Khanjar. A major British offensive is also underway: Operation Panchai Palang, an effort to extend Coalition control along the Helmand River valley, one month ahead of the Afghan presidential elections currently scheduled for 20 August. Though the Taleban seem so far to be mostly melting away before the Marines, they are making a determined stand against the British.