The titular tigers — tiger singular, actually — are incidental in hot young New York playwright Kim Rosenstock’s dysfunctional-family comedy “Tigers Be Still,” a West Coast premiere currently closing SF Playhouse’s season.The unseen, escaped-from-the-zoo predator is not really necessary. Rosenstock’s poignant examination of several depressed individuals whose lives intersect is charming and resonant enough without the metaphor of a dangerous beast representing characters’ fears. Read More