Asian Wisconzine Section/Heidi M. Pascual
What the Midterms Can — And Cannot — Change
Asian Wisconzine Editor’s Note: The editor is grateful for research coming from AP’s election analysis and Reuter’s documents re redesigned districts. The discussion on congressional powers and limitations came from Brookings’ current policy analysis.
The November 3 midterm elections will determine whether President Donald Trump governs his final two years with a compliant Republican Congress or faces serious institutional resistance.
Every House seat and roughly one-third of the Senate are being contested. Republicans entered the campaign with narrow control of both chambers. Democrats need a net gain of only three House seats to capture that chamber, while the Senate presents a different and more complicated set of statewide contests.
Polls and forecasts may indicate momentum, but close elections are decided by turnout, not projections. The most useful question, therefore, is not simply who is ahead. It is what would actually change under each possible result.
The Redistricting Gambit:
At Trump’s urging, Republican-controlled states pursued an unusual mid-decade redistricting campaign rather than waiting for the next census. Maps in Texas, Florida, Missouri, North Carolina, Ohio and other states were designed to convert Democratic districts into Republican ones or protect vulnerable Republican incumbents.
Republicans initially believed that the new maps could produce as many as sixteen additional seats across eight states — more than enough to protect their slender House majority.
But redistricting is powerful, not magical.
A district engineered around the voting patterns of 2024 may behave differently in 2026. Public anger over inflation, corruption, immigration enforcement or war can overwhelm the advantage built into a map. Some districts drawn to favor Republicans have become competitive because Latino and independent voters are no longer voting as mapmakers expected. By spreading reliable Republican voters across more districts, the party may also have made some previously safe seats less secure.
Redistricting nevertheless remains highly important because control of the House may be decided by only a handful of races. It can shape the result even if it fails to deliver all the seats its architects anticipated.
It affects only House districts, however. Senate elections are statewide and cannot be gerrymandered in the same manner.
If Democrats Win the House:
A Democratic House would immediately change the political environment.
It could block major Republican legislation, refuse another party-line budget-reconciliation package and use control of committees to investigate the administration. Committee chairs could hold hearings, demand documents and issue subpoenas concerning immigration enforcement, government contracts, conflicts of interest, military operations and alleged misuse of presidential power.
The House also initiates spending legislation. It could resist some future appropriations for immigration operations or military campaigns and attach restrictions to funding bills.
It could impeach executive officials, including the president. But impeachment by the House is only an accusation. Removal requires conviction by two-thirds of the Senate — an extremely unlikely outcome without a major collapse in Republican support.
A Democratic House could therefore expose, delay and politically damage the administration. It could not govern by itself.
If Republicans Retain the Senate:
A Republican Senate would allow Trump to continue confirming executive officials and federal judges. It could also refuse to take up legislation passed by a Democratic House and could protect administration officials from removal after impeachment.
This combination — a Democratic House and Republican Senate — would likely produce aggressive investigations, budget confrontations and very little major legislation.
Government shutdown threats would increase. Trump would rely even more heavily on executive orders, emergency declarations, regulatory actions and presidential control over foreign affairs.
If Democrats Win Both Chambers:
Democratic control of both chambers would represent the strongest possible congressional check.
The Senate could slow or block Trump’s nominees, including judges and Cabinet replacements. If a Supreme Court vacancy arose, confirmation of another conservative justice could become nearly impossible.
Congress could pass measures restricting funds for particular military operations, revising immigration enforcement or reversing executive policies. But Trump could veto those bills. Overriding him would require a two-thirds vote in both chambers — a threshold Democrats are highly unlikely to possess.
Thus, even unified Democratic control would not turn Congress into a substitute presidency. It would create confrontation, not automatic policy reversal.
War and Foreign Intervention:
The Constitution gives Congress authority to declare war and control military funding, while the president is commander-in-chief.
In practice, presidents of both parties have launched or expanded military operations without a formal declaration of war. They have relied on existing authorizations, emergency powers and broad interpretations of presidential authority.
A new Congress could invoke the War Powers Resolution, withhold future funding, repeal old military authorizations or prohibit particular operations. But Trump could veto many restrictions. Congress would also face accusations that cutting funds endangers American forces already deployed.
Consequently, even a Democratic Congress might find it easier to investigate and criticize a war than to end it immediately.
The president would also retain broad authority over diplomacy: recognizing governments, meeting foreign leaders, negotiating executive arrangements, directing ambassadors and imposing some sanctions under powers previously delegated by Congress.
Congress can reject treaties, deny funds, regulate arms sales and enact or repeal sanctions. But it cannot conduct daily foreign policy from Capitol Hill.
Immigration and Border Security:
Immigration is another field where a change in Congress would matter — but not as quickly as many voters assume.
Congress writes immigration laws and controls appropriations. Yet the executive branch decides whom to prioritize for arrest, detention and deportation, how aggressively to police the border and how to administer many asylum procedures, subject to statutes and court rulings.
Republicans have already approved approximately $70 billion in multiyear funding for Immigration and Customs Enforcement and the Border Patrol. That funding could sustain much of Trump’s enforcement program even if Democrats take Congress.
A Democratic Congress could conduct investigations, impose conditions on future spending and attempt to amend immigration law. But it could not simply order federal agents to stop enforcing policies that remain legally authorized and already financed.
The courts would remain crucial in determining whether particular arrests, detentions, deportations and emergency measures violate statutes or constitutional rights.
Budgets and Domestic Priorities:
Congress possesses the power of the purse. No president can legally create an unlimited budget on his own.
An opposition Congress could reject Trump’s proposed cuts, protect programs he wants reduced and refuse funds for new initiatives. It could demand concessions in exchange for avoiding a shutdown or debt crisis.
But budget politics cuts both ways. Trump could veto appropriations bills and blame Congress for paralysis. He might also attempt to redirect, delay or withhold spending, inviting litigation over whether he violated congressional appropriations and federal budget law.
The probable result would be recurring brinkmanship rather than a clean transfer of budgetary power.
Three Possible Outcomes:
If Republicans retain both chambers, Trump will claim a mandate and continue his agenda, although narrow majorities and Republican divisions may still limit him.
If Democrats capture only the House, expect investigations, subpoenas, blocked legislation and repeated budget fights — while the Republican Senate continues confirming nominees.
If Democrats capture both chambers, Trump’s appointments and legislative program would face their strongest obstacles. Yet he would retain the veto, command of the executive branch and substantial authority over immigration, tariffs, regulation and foreign affairs.
The Real Meaning of the Midterms:
These elections are not a referendum that can instantly erase the previous two years. They determine whether presidential power will operate with congressional cooperation or congressional resistance.
A change in Congress could expose misconduct, deny new funds, prevent new laws, constrain appointments and force public debate. Those are substantial powers.
But decades of congressional delegation, emergency statutes and expanding executive authority have produced a presidency capable of acting in many areas without fresh congressional approval.
That problem did not begin with Trump. But Trump has demonstrated how forcefully those accumulated powers can be used.
The midterms may therefore decide more than which party controls Congress. They will test whether the American system of checks and balances can still restrain a determined president —or whether Congress has surrendered so much authority that even an electoral rebuke can only slow him down.