But Micah Sifry, who is writing a book on third parties, tells me that Gargan isn't simply a Ventura shill.
Micah Sifry is writing a book on third parties, a work that has been going on for a while.
mnli hypothesis: Micah Sifry is writing a book on third parties, a work that has been going on for a while. premise: But Micah Sifry, who is writing a book on third parties, tells me that Gargan isn't simply a Ventura shill.