Conspiracy theories are as old as politics. But conspiracists today have introduced something new—conspiracy without theory. And this new kind of conspiratorial thinking has moved from the fringes to the heart of government with the election of Donald Trump. Are we living in a golden age of conspiracy theories? Russell Muirhead, author of A Lot of People Are Saying: The New Conspiracism and the Assault on Democracy says these theories are not only thriving — they’re also getting more absurd, less substantive, and harder to refute.