An Australian government spokesperson confirmed Trump asked Morrison to investigate issues raised in Robert Mueller's probe
Mueller was originally scheduled to appear before the committee on July 17
Mueller criminally charged three companies and 34 individuals, of which seven pleaded guilty and one was convicted during the probe
His latest missive takes on new significance in the wake of his appointment of Matthew Whitaker
Flynn has pleaded guilty in a deal under which he agreed to cooperate with Mueller's investigation
With Trump's commitment to being law-and-order president, seems unlikely he will follow Obama's lead