WARREN, Mich. — James Klotz is eating more chicken and less beef than he would like these days — a tradeoff based on supermarket prices — but he's confident that President Donald Trump's policies will soon bring prosperity.

"Things are still a little high, but we're still working on Biden's bullcrap," the 84-year-old Vietnam War veteran said as he took a break from raking leaves and seed pods on a crisp, overcast afternoon in this inner suburb of single-family homes and strip malls just north of Detroit. "And next year, when the beautiful bill goes into effect, things are going to get back more to normal, I believe."

It was here , in a community emblematic of fast-changing demographics and the partisan battle for working-class voters, that Trump in late April touted the achievements of

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