Unearthed in the Sandbox
By Sam HurwittWhen San Francisco Playhouse launched its second-stage new works series, the Sandbox, five years ago, these small-scale world premieres were understood to be essentially workshop productions to get new works by new voices (initially all Bay Area playwrights) on their feet in front of an audience. So when Aaron Loeb's play Ideation had its humble premiere in the Sandbox last November and went…