Vatican City, Holy See—Pope Francis may be on the mend, but as Easter nears, Catholic faithful are wondering how much of the celebrations the 88-year-old will be able to take part in after battling life-threatening pneumonia. The week of Easter is the most significant religious holiday in the Christian calendar and is packed with events, from the Way of the Cross celebrated at the Colosseum, to the Easter Vigil liturgy. All are...