The Federal Reserve is expected to hold interest rates unchanged Wednesday, its final rate decision before next week's midterm elections. The pause comes after last month's hike — the first since 2023 — and leaves rates at one of the highest pre-election levels in over two decades. Multiple Fed officials have signaled comfort with a pause even as most Fed economists predict one more hike before year-end. The core tension is structural, not tactical. Inflation has sat above the Fed's 2% target for years, running above 3% for most of 2026 and ticking up to 3.7% in September from 3.4% in August. But the primary driver is supply-side: the closure of the Strait of Hormuz amid war with Iran has sent oil above $117 a barrel this week, its highest in six months. Rate hikes are a demand-side tool being aimed at a supply-side problem. NYU economist Nicholas Economides states the mismatch plainly: "If inflation is caused by supply factors, it doesn't make sense to try to cure it by increasing interest rates because it won't work. It will slow down the economy at a time in which you don't want it to slow down." The Fed is caught between an inflation number that demands action and an inflation cause that makes its primary tool counterproductive. Fed Chair Kevin Warsh has staked out a different position. He argued at the September meeting that inflation has "persisted beyond the war" and that the rate hike was necessary to prevent price increases from broadening. "What we can do, and will do, is ensure that any change in relative prices don't broaden out, don't have second and third-order effects on the economy," Warsh said. This is the second-round effects argument — that even supply-driven inflation can become entrenched if expectations shift. Donald Trump offered the opposite complaint, declaring that "interest rates in the United States should be 1% or less." Fed Governor Christopher Waller threaded the needle: "The hikes do not need to come at consecutive meetings, but they should be in place in an acceptable period of time." The Fed's institutional posture is one of deliberate ambiguity — signaling hawkishness without acting on it before an election. The political calculus is inescapable. The cost of living is the top voter issue across multiple polls heading into midterms that will determine congressional control. Economides notes that even radical Fed action now wouldn't have time to affect the economy before Election Day, making the pause as much about institutional self-preservation as economic logic. The Fed doesn't want to be the story. What matters over the next 12 months isn't the pause itself — it's whether Warsh's second-round-effects thesis holds. If oil prices recede and inflation follows, the Fed's restraint looks wise. If inflation broadens into wages and services despite being supply-driven in origin, the pause looks like the moment the central bank fell behind. The Hormuz closure is the variable the Fed cannot control but will be judged by.