Some additional news stories on the subject...

- CNN: http://money.cnn.com/2017/09/27/media/facebook-black-lives-m...

- Washington Post: https://www.washingtonpost.com/business/technology/russian-o...

- CNBC: https://www.cnbc.com/2017/09/25/russian-facebook-ads-targete...

- The Hill: http://thehill.com/news-by-subject/technology/352780-russian...