Five years ago, my son Liam's son James died of a heart attack. He was just 11 years old. In his anger and grief, he turned away from God and the Catholic faith I brought him up in. I have prayed for him and with him every day since. Yesterday in our nightly phone call Liam said he was praying to his guardian angel and that he could feel the prayers working. I could hardly contain myself. I thought I had detected some movement in the right direction over the last several weeks, but this was more than I could...