A lost opportunity at the Huntington
The cast of Before I Leave You.Okay, I'm just going to say this fast, because there's no nice way to say it. The Huntington's latest show, Before I Leave You, by Rosanna Yamagiwa Alfaro, is a huge disappointment. My dismay over its failure is all the more piercing because the production marks a late-career breakthrough for the 72-year-old author, a Cambridge resident, who (it is plain from her writing) is a lo…