<sod > Donald Trumpâs former deputy campaign manager, Rick Gates, is setÂ to plead guilty to charges brought on my Special Counsel RobertÂ Mueller in the RussianÂ investigation.< eod>< sod > President Donald Trumpâs former deputy campaign manager, Rick Gates, has pleaded guilty to charges brought on my Special Counsel RobertÂ Mueller in the RussianÂ investigation.< eod>