The battle of ideas is not over but entering a new and more interesting phase, according to Danny Kruger, special adviser to Conservative Party leader David Cameron MP. In the late 20th century, politics was the clash between Liberty on one hand and Equality on the other - a battle over the respective roles of the individual and the state. This remains the basic axis of our politics. But rather than a straightforward clash between Liberty and Equality, politics today is a contest for possession of the principle beyond them both: Fraternity.