Clinton, Iowa -- Friday, Sept. 29, 2017
Mechanic Roger Armstrong checks the engine of a truck after installing a fuel pump at his shop Armstrong Automotive in Clinton. "I don't get into the political stuff. I just don't have time," Armstrong said.
A transformation to a knowledge-based economy has not taken root here in Clinton, Iowa along the Mississippi River. But there has been a profound structural change of another sort: white working class voters switched from Democrat to solidly Republican in the last presidential election, upending decades of political predictability.
CREDIT: Alyssa Schukar for The New York Times