"America's epic is the odyssey of appetite," Campbell McGrath declares, and these poems track those defining hungers across a social landscape by turns "grave, risible, amazing, banal," cataloging the "vortex of images in a ruined theater the culture comes to resemble," from Rocky and Bullwinkle to "Blue Angels rampant on a field of static, / anthem and flag descending to darkness." In terza rima meditations, rock-and-roll elegies, and abecedarian...