Tom McCarthy’s Oscar-nominated movie “Spotlight” turns the tedium of news-gathering into gripping drama. Also, the heroine of Alexander Chee’s new historical novel, “The Queen of the Night,” is a megastar soprano with lots of secrets — and someone who knows them all is spilling the beans. And we find out why photographer Dorothea Lange grew to despise her most famous Depression-era picture, “Migrant Mother.”

(Some segments in this week’s episode aired previously.)