'Triangle of Sadness' review: The "eat the rich" comedy goes gross-out, and it's great

There's a delicious schadenfreude baked into "eat the rich" comedies like Parasite, White Lotus, Knives Out, and Hustlers. These productions contain elements of a crime drama, but their stories are told with a snarling smile that asks sharply where your allegiances lie. Do you really feel bad for the oblivious and affluent or the...