Late Show disguised as Rudy Giuliani.The actor dialled in remotely to appear as the former mayor of New York.“I never get drunk! Never, ever, ever!,” quipped Lithgow as a dig at Giulini’s recent, slurred public speeches. “I only drink to provide an excuse for the way I act!”The actor also brought on a glass of red wine as a prop, which he referred to in the skit as his “chief of staff.” You can watch the segment in full below.Reference was also made during the skit to Giuliani’s recent venture