She subsequently put Grenell on blast for his delusional and belittling reply. The Kennedy Center United Arts Workers union was appalled, and they’re now asking for the Board Of Trustees and Human Resources to investigate. The environment (aided and abetted by Grenell’s most senior appointee) was so hostile that the Kennedy Center production team found it necessary to call security on behalf of the performers, @guitar.yaz and @itsamadou. We call upon the Kennedy Center Board of Trustees and Human Resources to investigate and respond to this abuse of power by Executive Vice President Rick Loughery and his boss, Ambassador Ric Grenell. And here’s the screenshot of the alleged email asking Republicans to heckle Williams: