"The influence of polymath philosopher John Locke (1632-1704) can still be found in a dizzying range of fields, as his writings touch on issues of identity, republicanism, and the nature of knowledge itself. Claire Rydell Arcenas's new book tells the story of Americans' longstanding yet ever-mutable obsession with this English thinker's ideas, a saga whose most recent manifestations have found the so-called Father of Liberalism held up as a right-wing...