When Gabriel Rench recounts being arrested in front of city hall in Moscow, Idado, while singing hymns with his church last September, one detail especially continues to irk him. “They literally took my hymn book away from me and proceeded to handcuff me,” Rench, 41, said of the officers, who then led him away to the county jail, where he remained for several hours. Moscow, a town of about 25,000 people approximately 80 miles south of Spokane, Washington, made national news last fall when local police arrested three people and cited five others for attending a “peaceful protest” against the...