FILE - In this Monday, April 21, 2014 file photo, nuns look up at Pope Francis delivering his blessing during the Regina Coeli prayer he celebrated from the window of his studio overlooking St. Peter's Square, at the Vatican. Advocates of women's ordination as Roman Catholic priests are citing the church's unfolding sex abuse scandals in mid-2018 as powerful arguments for their cause, while acknowledging, as they do so, the high unlikelihood of achieving their goal any time soon. (AP Photo/Andrew Medichini)