On EWTN News Nightly tonight: A new study seeks to answer the question: Why do some Americans leave the religion they grew up in? Meanwhile, the Vatican unveils the Christmas tree and Nativity in St. Peter’s Square. And, peace in Ukraine still remains highly uncertain despite ongoing efforts by the Trump administration. Don't miss out on the latest news and analysis from a Catholic perspective. Get EWTN News Nightly delivered to your email: https://ewtn.com/enn | EWTN Vatican