Sarah Sanders and CNN correspondent Jim Acosta went head to head in Monday’s White House press briefing over a guilty plea by a former Trump campaign aide.

Special Counsel Robert Mueller announced that Trump campaign foreign policy adviser George Papadopoulos pleaded guilty to lying to the FBI about his Russian contacts, some of whom offered “dirt” on Hillary Clinton.

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“How is it not collusion when George Papadopoulos is in contact with various people who are promising dirt on Hillary Clinton, a series of events that closely mirrors what occurred with the president’s own son?” Acosta asked, referring to a meeting Donald Trump Jr. took with a Russian lawyer.

“Finish your monologue,” Sanders quipped when Acosta talked over her.