Rudy Giuliani admits 'Spygate' is Trump PR tactic against Robert Mueller

President's lawyer gives meandering CNN interview 'It's for public opinion', he says of claims of campaign informant Former New York City mayor Rudy Giuliani said on Sunday that his repeated imputations of a supposed scandal at the heart of the Robert Mueller investigation - which Donald Trump calls "Spygate" - amounted to a tactic to sway public opinion and limit the risk of the president being impeached. Related: Michael Cohen: inside the strange world of Trump's fixer