Elliott Forrest fills in for Leonard. He’ll speak with Michael Lemonick about climate change and the future “global weirdness” he sees coming. We’ll look at the dark side of SeaWorld, and the problems with holding killer whales in captivity. Two of the stars of “Nice Work if You Can Get It,” a new musical comedy featuring the music and lyrics of the Gershwins, talk about the show. And Lisa Miller looks at the money-empathy gap.