‘Other Desert Cities’ review: Julia Louis-Dreyfus and Allison Janney’s play has laughs, but no bite

“Other Desert Cities,” like so many plays, is about a family with issues, to say the very least. A free-spirited Manhattan writer named Brooke jets to sunny Palm Springs to visit her well-to-do mom, dad, TV actor brother and leftist aunt for Christmas. She’s very New York, they’re very California ci