'Only a matter of time before terrorists use weapons of mass destruction'

There's a lot of concern in the world today that Iran is on its way to acquiring nuclear weapons. But according to Henry "Hank" Crumpton, the newly-appointed head of counter-terrorism at the US State Department, biological weapons constitute a much bigger potential threat: In an exclusive interview with The Daily Telegraph, Mr Crumpton, who previously spent 20 years working for the Central