Mindell is a third-year student in Columbia’s playwriting MFA, and On the Evolutionary Function of Shame is receiving a full production as part of Second Stage’s Next Stage Festival, which is dedicated to supporting early-career writers. That’s great — and, at the same time, even given space to breathe on Signature Center’s big Irene Diamond Stage, the play still feels like it’s searching for itself. Along the way—and this is the real rub—it’s too eager to show its work while, at the same time, not having done quite enough of it.