Conversation so far:
What does the section have to do with the hiring of sex workers?
In early July 2007, David Vitter's phone number was included in a published list of phone records of Pamela Martin and Associates
Who was Pamela Martin and Associates?
Pamela Martin and Associates was owned and run by Deborah Jeane Palfrey, also known as the D.C. Madam

Question: What did she do?
Self-contained rewrite: What did Deborah Jeane Palfrey do?