A hard-fought effort to move one of Houston's iconic Christian churches from its long-standing denomination to a new, more conservative group narrowly failed Sunday, with the congregation voting heavily in favor of the move but falling short of the supermajority needed for approval. The leadership of First Presbyterian Church, which was established shortly after Houston's founding, had unanimously endorsed the move from Presbyterian Church USA to the breakaway denomination called ECO, A Covenant Order of Evangelical Presbyterians. The senior pastor, his staff, and the elected leaders from the congregation argued that PCUSA, the nation's largest Presbyterian body, had become too...