The study's author attributed changing attitudes to younger academics with increasing "intolerance."
Mississippi's state auditor is demanding a tenured university professor pay nearly $2,000 after he canceled classes to take part in a national protest against racial inequality two days in September.
The list of signatories includes professors from elite colleges and at least 40 Nobel laureates.
Academics are wrong to worry that giving students more input will lead to "dumbing down."
Four football players, three of them starters, were being held out of practices pending an internal investigation