Republicans across the country pushed to redraw congressional district lines in their states as a safeguard for GOP members of Congress heading into a midterm year that traditionally sees losses for the party in power. Now, there is growing fear within the party that even those efforts cannot hold back a possible wave of Democrats. Redistricting typically happens once a decade, after the census, which makes this round of mid-cycle mapmaking relatively rare.

The anxiety surfaced over the weekend as diesel prices continued to climb. Sen. Chuck Grassley (R-Iowa), one of President Donald Trump's defenders in the Senate, posted on social media that he believes drastic measures must be implemented to save Iowa's small businesses. Farmers are already under the strain of Trump's tariffs, so fuel costs for farm machinery are cutting into crucial profits.

"That issue is becoming a problem for Ashley Hinson," said Punchbowl News reporter Andrew Desiderio, referring to the Republican U.S. Senate candidate in Iowa. "In that Senate race, for example, Josh Turek, the Democratic candidate, noted that he came out in favor of a diesel export ban months ago. So, it's causing real political headaches for Republicans."

He noted that Republican candidates are also distancing themselves from the White House. Hinson, for example, would not attend a rally with Vice President JD Vance.

Puck reporter Leigh Ann Caldwell reported that internal Democratic polling shows there is not a single House incumbent trailing in the midterms, even in districts that were redrawn and in seats where Trump won by double digits. Such numbers, however, depend on whether those voters actually come to the polls — a recurring uncertainty in midterm cycles, when no presidential race sits atop the ballot — and Democrats remain wary of getting ahead of themselves.

"And as we all know, Democrats are really skeptical of being confident and are really worried about being overconfident," she said. "But over the past couple of weeks, Democrats have been increasingly rosy about the midterm outlook."

She pointed to individual races as evidence. "The fact that some of these internal polls in districts, including Shomari Figures in Alabama, which is a Trump plus 14 or 15 district, where even in Florida, Congressman Soto — who is in a Trump plus 18 district right now because of redistricting in both of those gerrymandered seats — they say that things are just looking incredibly good."

They are not saying that all Democratic seats look good, but the polls are tightening. The "Trump plus" figures refer to Trump's margin of victory in those districts — a shorthand for how heavily Republican the underlying terrain is.

"They expect money to be put into these races," Caldwell continued. "But Democrats are increasingly optimistic. And the DCCC [Democratic Congressional Campaign Committee], as Andrew's publication Punchbowl reported this morning, is going in with money in that Alabama district, which is a sign that there is some confidence that maybe they could pull it out actually." The DCCC is the House Democrats' official campaign arm, and where it spends — unlike the party's internal polling — is visible to everyone watching.

The landscape offers further evidence that the political environment is good for Democrats, though they caution that it could come down to turnout in November. For that optimism to hold, the picture must continue to look this good by the middle of October. Party spending decisions and any public polling in these districts will offer outside checks on the internal numbers between now and then.

Desiderio agreed that if the DCCC is pouring its money into long-shot seats like the one in Alabama, it signals genuine confidence within the committee.