Scheming, Machiavellian, double-dealing... Empire's interviewing technique finally met its match in House Of Cards front-line trio, Kevin Spacey, Robin Wright and Kate Mara. None of them were giving a Tricky Dicky bird away about the story lines, character arcs or the second season's "holy shit!" moments. Of which there are plenty. Instead, they chatted about the show's corrosive politics, their strict exercise regimes and their main sources of information in a news-rich world.