Who Are the Potential Replacements for 88-Year-Old Pope Francis?

Pope Francis turned 88 years old last month, yet he remains as energetic as ever in influencing the direction of the Catholic Church. This week, the Roman pontiff named the very progressive Cardinal Robert McElroy as the archbishop of the prized Archdiocese of Washington.

McElroy had in recent months attracted the concern of his fellow American bishops for his perceived willingness to cross the line on some of the Church’s core doctrinal precepts. That came to a head after McElroy penned an essay in America Magazine in which he...