But his attitude quickly changed when Fox News host Sean Hannity—one of the most extreme right-wing pundits who has gone on to become an influential Trump ally—jumped in to discuss Trump’s strong polling figures ahead of the upcoming New York, north-east, Indiana and West Virginia primaries.

Alberta said this pushed Cruz over the edge, and the senator leaped up from his seat shouting, “What the f**k?” The Politico correspondent said Cruz’s staff had never seen the senator so angry.

Fox News’ alignment with Trump was all the more frustrating for Cruz given his relationship with Ailes. The two would regularly meet for breakfast in New York, but as the race for the GPO crystalized, Ailes gradually cut contact with Cruz in favor of Trump.