There may be a private investigators' party in London's Fitzroy Tavern in mid-May, but The Burlington Arms is still the historic home of the small community of British private spies. In the heart of Mayfair, on the corner of Old Burlington Street and parallel to the legendary Savile Row of England's finest tailors, the pub has long played host to the great of British private investigation and the lesser-known from 6pm onwards. For many years Kroll's offices were located above it, yet nowadays it