Our guest is Catherine Whitney, the Chief Curator and Curator of American Art at Philbrook Musuem of Art here in Tulsa. She tells us about a just-opened, far-reaching exhibit at Philbrook, curated by herself, called "Making Modern America." Featuring 60+ paintings, photographs, design objects, and prints -- and on view through May 26th -- this show explores how U.S. artists working from 1910 to 1960 depicted the dramatic social and environmental changes of this pivotal era. "Making Modern