The Washington Post just published their Spring Arts Preview Guide. There is so much to see and enjoy but  here are the ones I think are most interesting: • Pride of Place: Dutch Citycsapes of the Golden Age, National Gallery of Art, through May 3. • Bookends: Book as Art, Torpedo Factory, through Feb 22. • Detour: Architecture and Design Along 18 National Tourist Routes in Norway, National Building Museum, through Oct 10. • On the Origin of Species (After Darwin) — celebrating the 200th birthday of Charles Darwin, National Academy of Sciences, through April 23. As a postscript, this is a fascinating article about happenstance, a purchase of a…