On Saturday at 11 am, Rome time, the US Conference of Catholic Bishops hosted a press conference at the Pontifical North American College with Archbishop Piero Marini and Msgr. Kevin Irwin, focusing on the liturgical rites related to the conclave. Msgr. Marini was master of papal liturgical ceremonies during the pontificate of Pope John Paul II. Msgr. Irwin is on the faculty of The Catholic University of America and is a professor of liturgical studies.