A finely textured work turns tawdry

In The Laureate (15A), moody British poet Robert Graves (Tom Hughes) is experiencing writer’s block brought on by shellshock after being at the front in World War I. He invites aspiring American poetess Laura Riding (Dianna Agron) to live with him and his wife Nancy (Laura Haddock), an artist, in his country cottage (called, perhaps…