FORT WORTH, Texas — Kenneth L. Teegarden, who helped reshape and centralize the Christian Church (Disciples of Christ), died Sept. 22 in Fort Worth, Texas, four months after suffering an aneurysm. He was 80. Teegarden served as president and general minister of the Indianapolis-based denomination from 1973 to 1985. He oversaw a series of reforms beginning in 1968 that brought…