At Goodman’s New Stages Festival, playwrights count on sharpening assist from the audience

Feature: Three formative plays on the boards in Goodman Theatre’s New Stages Festival offer an intriguing glimpse into the process of turning a work of promise into a well-honed piece of stagecraft ready for prime time. Now in its 12th year, the 2015 edition of New Stages concludes Nov. 13-15 with final performances of those plays and a cluster of readings.