The Weight of Blood by Laura McHugh Spiegel & Grau, $26.00, 306 pages, ISBN 978-0-8129-9520-6 The state of Missouri has long held an exalted place in American Literature, giving us such memorable fictional characters as Tom and Huck, and living legends like Frank and Jesse James. It’s an area that’s rich in lore and atmosphere, has enough history for several states and it’s known as the gateway to the