A CBS News investigation has uncovered a possible pay-for-play scheme involving the Republican National Committee and President Donald Trump's nominee for ambassador to the Bahamas. Emails obtained by CBS News 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, chief investigative correspondent Jim Axelrod reports. When Hurricane Dorian ravaged the Bahamas in September, Manchester wanted to help. So the San Diego real estate developer, who prefers the nickname "Papa Doug," loaded up his private jet with supplies and headed for...