NASHVILLE — Board members of the International Association of Baptist Colleges and Universities (IABCU) have elected Michael Arrington, provost of Carson-Newman College in Jefferson City, Tenn., as executive director of the association. IABCU, with offices in Nashville, is owned and operated by its 51-member Baptist-related higher education institutions. Arrington, 62, succeeds Thomas E. Corts, who was named in September by…