"Spud Johnson and Laughing Horse" is a portrait of the soul of a generation of artists and writers, the story of the men and women who made New Mexico a center of regional American literature, criticism and visual arts in the 1920s and 30s. Sharyn Udall's lively account of the quirky editor, poet, journalist, diarist and printer Walter Willard "Spud" Johnson focuses especially on brilliant and diverse artists-D. H. Lawrence, Mary Austin, Mabel...