... the investigation or termination of professors for expressing opposing views about police abuse, Black Lives Matter movement or aspects of the protests following the killing of George Floyd.  

There is a sense of a new orthodoxy that does not allow for dissenting voices as campaigns are launched to fire faculty who are denounced as insensitive or even racist for such criticism.  The most recent controversy involves the recently installed University of Massachusetts-Lowell Dean of Nursing Leslie Neal-Boylan. Dr. Neal-Boylan had only been in her position for a few months when she was fired. 

The reason, according to many reports, is that she sent an email on June 2 to the Solomont School of Nursing on the recent anti-racism demonstrations across the country that include the words "everyone's life matters."