Today in Media Files, Mark Latham receives another legal threat from a Sky News presenter, The Advertiser cuts another of News Corp's columnists, and the BBC's highest-paid stars have been revealed.

Good feud guide. Sky News presenter Peter van Onselen has sent his former colleague Mark Latham a legal letter over a tweet in which Latham claimed van Onselen promised positive stories to sources who gave him off-the-record information. The tweet was in response to a tweet by van Onselen comparing Latham's Twitter feed to Joseph Conrad's Heart of Darkness.