The site "The Wrap" has an article and a video interview with Steven about working on Gods of the Arena and how that came about.
Spartacus' Creator Talks About Replacing Whitfield, Nudity, the Finite Ways to Kill a Man
The Video interview is also available:
The Wrap Talks to Stephen DeKnight
Posted on: 15th June 2011
Interview with Steven Deknight at The Wraps Season Screening of Spartacus: Gods of the Arena. ‘Spartacus’ Creator Talks About Replacing Whitfield, Nudity, the Finite Ways to Kill a Man = Re-creating the Roman Empire for the small screen is no easy feat. Just ask Stephen S. DeKnight, creator and executive producer of Starz’ blood-and-swords historical [...]
-- Reported by Klippart