The revival of ideology, which began early in the second half of the last century, has led to reconsideration of the following questions: What underlies the pattern of the rise and decline of the ideological mode of thought? What leads young intellectuals to search for an ideology? What accounts for the changes in ideological fashion over time and nation, and shifts from one set of philosophical tenets to another? Who indeed are the ""intellectuals?"" Studies of ideology have tended to range themselves for or against particular viewpoints, or have concerned themselves with defining...