(AP Photo/Riccardo De Luca) In this June 24, 2015, file photo, Philadelphia's Archbishop Charles Chaput, right, stands next to Pope Francis as they pose for a photo with a delegation from Philadelphia at the end of the pontiff's weekly general audience in St. Peter's Square at the Vatican. Pope Francis traveled to Philadelphia in September to attend the World Meeting of Families. Chaput, the meeting's host, moved to limit lesbian, gay, bisexual and transgender Roman Catholics as they tried to lobby for a broader role in the event.