Analogies with Rome have been a powerful motif in American thought-and poetry-since the Founding Fathers. They resurged in the twentieth century, and especially after World War II, when the US saw its mission as analogous to that of Augustan Rome-a theme conspicuous in Robert Frost's poem for the Kennedy inauguration, which prophesied "The glory of a next Augustan age."
This theme showed up in the poetry of other countries too. The Roman mode...