Nobody expected Rick Warren’s appeal to be successful—not even Rick Warren. But he still stood up in front of 13,000 Southern Baptists gathered in New Orleans to make his case.

“No one is asking any Southern Baptist to change their theology! I’m not asking you to agree with my church,” he insisted, reading from a printout at a microphone on the floor of the convention hall during a three-minute speech. “I am asking you to act like a Southern Baptist, who have historically ...

Editor’s note: This story was updated with the new information about disaffiliations on June 14.

Carolyn Moore assumed that her Evans, Georgia, church would be one of the congregations disaffiliating from the United Methodist Church (UMC). Across the country, as of June 14, more than 5,500 churches have separated along the lines of the deep fissures in the denomination: LGBT acceptance and Methodist authority structures.

But for a long time, Mosaic UMC looked like it was going to get stuck in ...