The Theatre“Birthright” and “Giant” Tackle Jewish IdentityIn “Birthright,” six left-leaning Jews form a chosen family, then fracture.Illustration by Rutu ModanSave this storySave this storySave this storySave this storyThe Oakland-based playwright Jonathan Spector wrote “Birthright”—his warm, haimish, ultimately frustrating new drama—on a dare. Weeks after October 7, 2023, Spector was “cajoled” by a peer to dig into the generational fracture among American Jews, a split that deepened precipitously after the catastrophes in Israel and Gaza. At first, Spector said no. Who could blame him? The risks included glibness and finger-wagging, not to mention the danger suggested by the metal detectors outside...