Free Online HD on Lookmovie. This collection captures two of historian, political scientist and Pulitzer Prize-nominated writer Michael Parenti's most intriguing and accessible lectures. In "How I Became an Activist for Social Justice," Parenti recalls his own political awakening during the throes of the Vietnam War. In "Empire," he discusses the United States' growth into an empire of global proportions that casts an equally wide net of political influence.