What, I wonder, would you want to know about the latest production by the city’s doggedly bold Curious Theatre Company? Would you want to hear that Dominique Morisseau’s “Confederates” — which juxtaposes the life of Sara, an enslaved woman (Tresha Farris) who begins passing purloined intel to the Union, with that of Sandra (Kenya Mahogany Fashaw), a tenured professor grappling with a bigoted incident on campus — is amusing?