As Ukraine Affair Expands, So Could Giuliani's Legal Exposure

Once a fixture on cable channels and Sunday news shows, President Trump's personal attorney, Rudy Giuliani, has all but disappeared since two of his associates were arrested this month on campaign finance charges.

The former New York City mayor's sudden reticence may have been spurred by a concern about his own potential legal peril as his dealings reportedly come under scrutiny by federal investigators.

There is ample reason for Giuliani to be worried, legal experts tell NPR. They point to a range of activities in which Giuliani has engaged over...