Writing for his blog on Time.com, Mark Halperin reports:
Confirmed by sources, but there were lots of in-plain-sight clues that led to Salter’s Maine door.–Simon and Schuster topper Jonathan Karp was Salter’s editor on books he did with Senator McCain.–Salter has been
holed up in Maine since leaving his job in the Senate.–The descriptions that Karp has given of the author matched Salter.–Salter’s non-denial denial was the closest to a confession of any suspect who was publicly asked.
Much of the intrigue surrounding the publishing of this book was built around the notion that it was an insider’s take on the White House. Now that the writer has been revealed as a political ally of John McCain, many will dismiss the book now as a political hack job.