Thiel, Greenwald, Taibbi et. al. It is Eoin Higgins who has plenty of past history with GG (and MT I think), but I have the book the interview is based on and it seems fairly evidence based so far.

https://soundcloud.com/citationsneeded/news-brief-silicon-valley-patronage-how-to-subtly-drift-right-and-the-new-conservative-media-ecosystem