Yeast Makes the Bread Rise: How the Great Banquet Renewal Movement Could Help Revitalize Mainline Congregations, by Deb Coe (Ph.D., Purdue, 2011). Like its better-known cousins, Cursillo and Walk to Emmaus, the Great Banquet is a program designed to bring about personal and spiritual renewal. Learn the intriguing findings from this in-depth study of two participating PC(USA) congregations.