“The sun is setting on America’s regional theaters, as they’ve existed for the past half century. There are also other reasons — cultural and technological, leading to the reality that putting on shows can no longer be the primary purpose of theater. Such a purpose — as a sole purpose — is unsustainable for either profit or nonprofit theaters in an era of funding cutbacks when the Internet, iPods, cell-phone cameras and flat-screen TVs have added to the already tempting distractions of California’s beaches, mountains and amusement parks.”