The Associated Press LONDON Jan. 6 — A pilots' union says it reluctantly accepts the use of armed sky marshals on British flights, but it wants assurances from the government about dealing with the "unknown risks" of the policy. Jim McAuslan, general secretary of the pilot's union BALPA, speaking Tuesday before a meeting with Transport Secretary Alistair Darling, said it was crucial that pilots remain in command of the plane at all times and know the identity of sky marshals and where they are sitting. "We still have a fundamental problem about having ballistics in a pressurized cabin," McAuslan told...