Only on the "CBS This Morning" podcast, CBS News chief investigative correspondent Jim Axelrod and CBS News producer Michael Kaplan join national correspondent Errol Barnett to discuss their investigation that uncovered a possible pay-for-play scheme involving the Republican National Committee and President Donald Trump's nominee for ambassador to the Bahamas. They share details of the emails they obtained that show the nominee, San Diego billionaire Doug Manchester, was asked by the RNC to donate half a million dollars as his confirmation in the Senate hung in the balance. Plus, Axelrod and Kaplan how America is unusual when it comes to its use of political appointees for ambassador positions.