Quote by Christopher Hitchens
I have personal knowledge that Mr. Blumenthal recounted to other people in the journalistic community the same story about Monica Lewinsky that he told to me and Carol Blue.
Summary
The quote suggests that the speaker has firsthand knowledge that Mr. Blumenthal shared the same story about Monica Lewinsky with others in the journalistic community. This implies that the information about Lewinsky was not exclusive to the speaker and indicates a pattern of Mr. Blumenthal disclosing this particular story.