ABOARD THE PAPAL PLANE (AP) — Pope Francis acknowledged Tuesday that his landmark deal with China over bishop nominations will cause suffering among the underground faithful. But he said that he takes full responsibility and that he — and not Beijing — will have the ultimate say over naming new bishops.

Francis provided the first details of the weekend agreement signed during an in-flight news conference coming home from the Baltics. The deal aims to end decades of tensions over bishop nominations that had contributed to dividing the Chinese church and hampered efforts at improving bilateral r...