We've eaten Alar with our apples and PCBs with our fish, drunk arsenic with our water, breathed asbestos in our schools. Someone sounded the alarm, someone else said we were safe, and both had science on their side. Whom are we to trust? How are we to know? Amid this chaos of questions and conflicting information, Aaron Wildavsky arrives with just what the beleaguered citizen needs: a clear, fair, and factual look at how the rival claims of environmentalists...