Americans say it's harder to afford their groceries now than it was a year ago, a warning sign for President Trump and Republicans, in the latest Axios Vibes survey by The Harris Poll.

Why it matters: Everyone's gotta eat. High food prices disproportionately impact working-class voters, the very people Trump promised lower grocery prices on the campaign trail a year ago. • Just 1 in 5 respondents say it's easier to afford groceries now than this time last year; nearly half say it's harder, while 1 in 3 say it's about the same.

The big picture: 8 in 10 Americans say they believe the president has "significant influence" over the U.S. economy, but just 47% say the Trump administration has had a positive impact on the economy this year.

What they're saying: "The midterms might hinge on a

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