New questions about a key GOP impeachment witness for Trump

“All we need from the [Ukraine] President [Volodymyr Zelensky],” Giuliani says on the call, “is to say, I’m going to put an honest prosecutor in charge, he’s gonna investigate and dig up the evidence that presently exists, and is there any other evidence about involvement of the 2016 election, and then the Biden thing has to be run out.”