Perhaps now more than ever before, landmark buildings by famous architects are being seen as catalysts for economic development and, in some cases, urban renaissance. In the Twin Cities, several cultural organizations, including the Guthrie, the Children's Theater and the Minnesapolis Institute of Arts are in the process of building expensive new buildings designed by world-renowned architects. But the drive to build landmark buildings raises some fundamental questions about the business of culture, and the culture of cities. Minnesota Public Radio's Andrew Haeg reports.