Really - cutting edge - probably not given the current USCCB Republican/Evangelical tilt.....they do worry about their careers. (think Theology of the Body (joke); abortion focus; same sex marriage focus; fortnigh for freedom (joke)
Also, much of the experts doing this work are not ones to seek the limelight or put their work into tweets

Boston College - read anything by Cathleen Kaveny
http://www.bc.edu/church21/about/issues.html

SMU - Charles Curran (yes, he is way past retirement age and has emeritus status)

Charles Camosy

John Carr (note - he is not a Reverend)

Rev. Daniel G. Groody, an associate professor of theology at Notre Dame University, said the wall would lead to a loss of life as migrants are forced to find other ways to escape poverty across the border.

Much moral theology discussions now happening via ecumenical/interfaith

Also, catholic moral theologians are trying to move away from the decades long JPII pre-occupation with *pelvic issue* as the moral centerpoint