The game is still afoot. Today is the 150th anniversary of the birth, on Picardy Street in Edinburgh, Scotland, of Sir Arthur Conan Doyle, creator of Sherlock Holmes. Doyle died in 1930, but Holmes and Dr. Watson live on. Every day, some child's imagination vanishes into the foggy depths of Victorian England and accompanies Holmes in pursuit of mysteries and malefactors. Descend just once into that world with Holmes and the memory is marked for life. Some 200 movies have been made starring Sherlock Holmes - he is, according to the Guinness Book of World Records, the most frequently portrayed...