A recent webinar from Providence College, Rhode Island, USA, in which Sr Maeve McMahon was asked to participate with Dr. Celia Cussen and Fr. Vivian Boland for the annual Martin Luther King Commemoration. It is an hour long and was a sharing of her book: Son of an Unknown Father in the light of MLK and the struggle for a better society.
It is available on You tube MLK Global Colloquium, Providence College, 
https://www.youtube.com/watch?