Original sentence: The LCMS's more conservative wing and its more moderate wing have both established a plethora of internal caucuses, organizations, and news services to promote their opinions and campaign for candidates for Synod leadership
Edited sentence: The LCMS's more conservative wing (many of whom self-title themselves "Confessionals") and its more moderate wing have both established a plethora of internal caucuses, organizations, and news services to promote their opinions and campaign for candidates for Synod leadership