Text: But this exposes his underlying bias, which casts doubt on the critiques of government in both Losing Ground and The Bell Curve . The three Murrays play a kind of fugue throughout this book.
Entailment: Underlying bias makes it hard to buy the critique leveled at the government in The Bell Curve.
Contradiction: If anything, the exposure of his bias makes it easier to accept his arguments where government action is concerned.