the pro=ucers of the musical "Chicago" enabled them to commission the artis= Beverly Pepper to build an amphitheater at their Westchester home. By GERALDINE F=BRIKANT chttp://topics.nytimes.com/top/referen=e/timestopics/people/f/geraldine_fabrikant/index.html?inline=nyt-per> Published: August 11, 2010 <h