THE BOOK SHELF: "On My Way: The Untold Story of Rouben Mamoulian, George Gershwin, and Porgy and Bess"
This month's column looks at Joseph Horowitz's fascinating chronicle of the birth of America's great folk opera in "On My Way: The Untold Story of Rouben Mamoulian, George Gershwin, and Porgy and Bess." *