Rep. Rodney Frelinghuysen lost his way when Trump took over. His support for the president cost him his career. Rep. Rodney Frelinghuysen lost his way when Trump took over.
Gunny definition, a strong, coarse material made commonly from jute, especially for bags or sacks; burlap. See more.
An elegiac broadside is A MOURNFUL, PLAINTIVE BALLAD An elegy is a poem of lamentation to mourn the loss of something or someone. And broadside can mean a verbal attack. So the definition, a mournful, plaintive ballad fits best here.