The Pulitzer-winning drama, set in the small town of Grover's Corners, has a beating heart that will resonate through the years It is frequently called the quintessential American play, but if productions of Thornton Wilder's 1938 Pulitzer prize winner Our Town focus on its "American-ness", they're missing the point. Much as the Russian-set, Jewish-themed Fiddler on the Roof became an international hit in numerous la…