Steve Bannon, set to go to trial next month for defying a congressional subpoena, has subpoenaed House Speaker Nancy Pelosi and members of the House select committee investigating the January 6 insurrection as he builds his defense.Steve Bannon, set to go to trial next month for defying a congressional subpoena, has subpoenaed House Speaker Nancy Pelosi and members of the House select committee investigating the January 6 insurrection as he builds his defense.