Leading art critic explores the connections between art’s past and present Contemporary art sometimes pretends to have made a clean break with history. In The Perpetual Guest, poet and critic Barry Schwabsky demonstrates that any robust understanding of art’s present must also account for the ongoing life and changing fortunes of its past. Surveying the art world of recent decades, Schwabsky attends not only to its most significant newer faces—among them, Kara Walker, Thomas Hirschhorn, Ai...