VATICAN CITY—The Vatican plans to try Archbishop Theodore McCarrick as early as this coming week , in order to make a final decision on his fate before next month’s Vatican summit on sex abuse, according to people familiar with the matter.

Vatican officials understand that Pope Francis wants them to act swiftly in the matter, to keep the U.S. archbishop’s fate from overshadowing the summit, scheduled for Feb. 21-24, these people say.

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