The man Donald Trump installed to run the Federal Reserve just handed him a very public rebuke. Chair Kevin Warsh, who took over the central bank in May, led a unanimous vote Wednesday to raise the benchmark interest rate a quarter point, to a range of 3.75% to 4%, the Fed's first hike since 2023 — and the exact opposite of what his old boss has been demanding for months.

Trump did not take it quietly. Late Wednesday he posted in all caps: "LOWER THE INTEREST RATES FOR THE UNITED STATES OF AMERICA, AND FAST!" telling reporters rates "should be 1% or less" and grumbling that Warsh is stuck with "a very tough board, he's got a board that was put there by other people," branding the rest of the Fed's policymakers "very hostile, very political," according to NBC News.

Inflation, oil and an election clock

Warsh's justification was blunt. "The plain fact is that inflation is too high and has been for too long," he told reporters at Wednesday's press conference, adding that "there's no hiding from hotspots around the world" as he pointed to oil prices that have surged roughly 45% since fighting with Iran escalated earlier this year, according to reporting from the Boston Globe. Inflation hit 3.4% to 3.7% in August depending on the measure used, well above the Fed's 2% target and ahead of wage growth, and 16 of 18 Fed policymakers now project at least one more rate hike before the year is out.

The timing could hardly be worse for the White House: the hike lands less than two months before a midterm election that will decide control of Congress, and it raises borrowing costs on everything from mortgages to credit cards right as voters head to the polls.

"Part of the independence of the Federal Reserve is we stay in our lane. Independence is a two-way street."

That was Warsh's own explanation, cited by CNBC, for why he voted with the board rather than caving to pressure from the president who nominated him. Markets flinched at the news: the S&P 500 slipped 0.4% and the Dow shed roughly 630 points on the day.

The irony is not lost on Washington. Senate Democrats, led by Elizabeth Warren, spent months warning Warsh's confirmation would turn the Fed into a rubber stamp for Trump, with Warren calling him a Trump "sock puppet" during his confirmation fight. Instead, Trump's own economic adviser Kevin Hassett conceded ahead of the vote that the president "is not going to be super happy about it, but he will defend the independence of Kevin Warsh above all." Democrats, for their part, aren't giving Trump a pass either: House Budget Committee ranking member Rep. Brendan Boyle said the increase "is further proof that Donald Trump and Republicans have failed on the economy."

Trump, meanwhile, told reporters he'd personally urged Warsh to just go along with the board's decision rather than fight it: "I told, I talked to Kevin, and I said, 'You might as well vote with the board. It's not going to matter.'"

The Fed's next scheduled meeting falls in late October, just before the election, where officials are widely expected to hold steady to avoid the appearance of playing politics — with another hike seen as increasingly likely by December. Whether Trump escalates his public pressure campaign against Warsh, or moves to reshape the board further, is the question hanging over Washington's final sprint to the midterms.

For a closer look at how Wednesday's vote itself unfolded and rattled markets within hours, a separate dispatch walks through the Fed meeting minute by minute.