Today, Henry David Thoreau's status as one of America's most influential public intellectuals remains unchallenged. Recent scholarship on Thoreau has highlighted his activism as a committed antislavery reformer and proto-environmentalist whose life became a seminal model for the image of the liberal conscience. While modern scholars have firmly established Thoreau's relevance, their focus on his public activism has undervalued the complexity and range of his contributions to American political thought and has neglected crucial facets of his philosophy regarding democratic...