Rome CNN  —  Holy Week and Easter marks the high point of the Christian calendar. It is an intense period of prayer and reflection and a time when the pope would be expected to be front and center of celebrations, presiding at several long public liturgies as Catholics mark the suffering, death, and resurrection of Christ. But this year is different. Pope Francis, who is still recovering from double pneumonia which nearly ended his life, is unable to lead the services as he has done in previous