Art in the age of white supremacy

American culture is embracing more diverse voices and ideas than ever before. The first black superhero blockbuster, “Black Panther,” was the top grossing movie this year. A transgender superhero has joined the cast of TV’s “Supergirl.” But we’re also experiencing a rise in nationalism and white supremacy. There’s been an increase in the number of hate groups, and the deadliest attack on Jews in U.S history happened last month. Art critic Carolina Miranda’s latest column looks at the tension in our culture and our politics.