The Star-Spangled Banner spans the 15-year arc from 9/11 to 11/9, concluding with a poem based on voices overheard the night of Trump's election by poet Michael Ruby, a journalist who has covered U.S. politics for decades. Ruby began the book in the aftermath of the 9/11 attacks, when he saw people freely using U.S. national symbols for their own political purposes. He decided to do the same thing for poetic purposes. Every poem in the book, which...