One hundred and thirty-three cardinals are sequestering themselves behind the Vatican's medieval walls for the start of a conclave starting Wednesday to elect a successor to Pope Francis. Here are some things to know about the election of the 267th pontiff of the Catholic Church, which has 1.4 billion faithful across the world. MORE: https://www.wthr.com/article/news/nation-world/conclave-begins-vatican-city/507-f7c80ccc-a333-4951-88ab-c6b8ee2d4389