News NBC chief promises change ‘if necessary’ at ‘AGT’ after Gabrielle Union complaints, exit January 11, 2020Bill Keveney, USA TODAYComments Off on NBC chief promises change ‘if necessary’ at ‘AGT’ after Gabrielle Union complaints, exit NBC Entertainment chief Paul Telegdy said he can't discuss an investigation into complaints about the culture at 'AGT.' He promised change, if needed.