The timing couldn't be better for Saturday's opening of "The Beaten Path," a major exhibit of Bob Dylan's artworks at the Halcyon Gallery on London's pricey New Bond Street. Worldwide interest in the veteran American troubadour has soared after his surprising choice as this year's winner of the Nobel Prize in literature and the show is one of the most extensive displays ever mounted of his drawings, watercolors, acrylics and ironworks. The...