Republicans remain in power but lost political room, forcing Trump and the party to explain defeats tied to candidates, Iran, deportations and economic messaging. Trump is reconsidering his immigration posture without signaling a broader break from the confrontational politics that define his coalition.
Democrats are converting their gains into an oversight and affordability agenda, with tariffs offering an early test of whether Congress can constrain the administration. The result also sharpens foreign-policy uncertainty, as Democratic gains could strengthen Ukraine's congressional support while Trump ties further Iran strikes to negotiations.