发自纽黑文 — — 许多公众政策决策都基于某种对“人性”的假设，而最近人们也非常热衷于谈论进化究竟是如何塑造人类行为和心理的。
NEW HAVEN – Many public-policy decisions are based on implicit assumptions about “human nature,” and it is currently popular to speculate about how evolution might have shaped human behavior and psychology.