At its core, this exhilarating collection of essays, interviews, and correspondence spanning the years 1988 through 2018, and reaching back a decade or more previous is about the simple concept that ideas matter. And not only that ideas matter. But that ideas in this case, through the lens of two engaged intellectuals mutate, inform, inspire, and ultimately provide more fuel for thought, the actions that follow such thought, and for carrying on, and doing the work.