Home Administration McGahn's lawyer pushes back after Giuliani knocks his credibility Administration McGahn's lawyer pushes back after Giuliani knocks his credibility By taxelrod@thehill.com Tal Axelrod - April 20, 2019 6 0 SHARE Facebook Twitter An attorney for former White House Counsel Don McGahn is pushing back after Trump lawyer Rudy Giuliani went after his credibility following the release of special counsel Robert Mueller’s report.McGahn’s lawyer responded after…