"Unfortunately, pragmatism is not always good politics. The greatest asset of mid-20th century social democracy—its willingness to compromise its own core beliefs in the name of balance, tolerance, fairness and freedom—now looks more like weakness: a loss of nerve in the face of changed circumstances. We find it hard to look past those compromises to recall the qualities that informed progressive thought in the first place: what the early 20th century syndicalist Edouard Berth termed “a revolt of the spirit against . . . a world in which man was threatened by a monstrous moral and metaphysical materialism”."