CNN anchor Don Lemon has emerged as one of the most incisive commentators on violence against African-Americans, including the recent death of George Floyd in police custody, and the protests that have risen up in response.On Saturday night, Lemon, who is Black and gay, called on celebrities, especially those who are people of color but white celebs as well, to speak out. “Since all of this chaos broke out this evening, no call for calm,” he said, as some protests in major cities had been