Federal investigators have quizzed former Donald Trump lawyer Rudy Giuliani as part of their investigation into the 45th president’s efforts to overturn the 2020 election. The former New York City mayor was joined by his attorney Robert Costello for the recent interview, though it is not entirely clear which topics were broached during the questioning, CNN reported late Tuesday. “The appearance was entirely voluntary and conducted in a professional manner,” Giuliani adviser Ted Goodman told the outlet. Special counsel Jack Smith was tasked last year with overseeing the Justice Department’s two investigations revolving around the 77-year-old Trump: his role in...