Olivia shamelessly used litigation with false and defamatory allegations as a public relations strategy. When required to do so, she refused to defend her claims in court last month,” Lizza told

After news broke of her relationship with Robert F. Kennedy Jr., Nuzzi accused ex-fiancé Lizza of harassment and blackmail, which he denied.

A representative for Mr. Kennedy, who has not spoken publicly about the claims, said at the time that Mr. Kennedy had “only met Olivia Nuzzi once in his life for an interview she requested.” Mr. Lizza is on leave from Politico while the company ...