'Being in Isolation, It Physically Hurts'

San Francisco Magazine Sarah Shourd and Jerry Elster Andres Gonzalez Sarah Shourd and Jerry Elster both did hard time—she as a political hostage in Iran, he for a 1983 gang murder. Now they’re collaborating on a new play about the torments of solitary confinement.     This is "Think Tank," an occasional series of conversations with Bay Area power players, conducted by San Francisco editors. Interviews have been condensed and edited for clarity.   Name: Jerry Elster Job: Community activi...