Washington’s Split-Screen Power Shift

Washington returned to work on Monday under split-screen conditions: Republicans still hold the levers of power on Capitol Hill for a few more weeks, but Democrats, newly emboldened by their midterm sweep, are already acting like the next governing majority.

The result is a capital entering its year-end session with two clocks ticking at once. One is immediate and familiar: a deadline to keep the government open before current funding runs out on Dec. 11, along with a stack of unfinished business that includes the annual defense policy bill and the ever-sensitive question of the debt limit. The other points to January, when Democrats expect to take control of the House and begin pressing an agenda centered on undoing President Trump’s tariffs and opening a far more aggressive phase of congressional scrutiny into his administration and the businesses around it.

That convergence is setting up what could be one of the more volatile transitions in recent Washington memory — a lame-duck session in which one party still governs, while the other is trying to define what governing next will mean.

A narrow window for Republicans

For Republicans, the final weeks of unified control present a shrinking opportunity to clear a long list of must-do items. The most urgent is government funding. Federal agencies are operating under a stopgap spending law that Mr. Trump signed on Sept. 2, extending current funding through Dec. 11. If lawmakers cannot agree on a broader package by then, they will face the choice that has become a ritual of modern budgeting: pass another short-term extension or risk a shutdown.

The annual defense bill, often one of the few large bipartisan measures to survive congressional gridlock, is also on the table. So, too, is the debt limit, though it remains uncertain whether leaders will try to address it in the lame-duck session or leave it for the new Congress, where the politics could become still more difficult.

Those decisions carry consequences beyond year-end housekeeping. If Republicans use their remaining weeks to lock in a funding framework or attach a debt-limit measure to a broader package, they could narrow Democrats’ room to maneuver when the new Congress convenes. If they fail, they may hand the incoming majority an early but politically perilous chance to govern.

That is why the December deadlines matter not simply as procedural hurdles, but as the first test of post-election leverage.

Democrats turn toward tariffs

Even before taking the gavel, Democrats are signaling that one of their first economic fights will be over Mr. Trump’s tariffs.

Party leaders have cast the issue as both an argument about prices and a constitutional one about Congress’s role in trade policy. Their focus is expected to fall especially on the president’s Canada-related tariffs, though the broader aim is to challenge a tariff regime that Democrats say has raised costs and concentrated too much power over trade decisions in the White House.

The politics are notable. For years, tariffs have scrambled traditional party lines, attracting support from some constituencies in both parties while unsettling businesses that depend on cross-border supply chains. Now Democrats appear eager to make tariff rollback an early message about the cost of living, arguing that unwinding some of the levies could ease pressure on consumers and companies alike.

Whether they can succeed is another matter. Any legislative effort would have to contend with Senate rules and, as long as Mr. Trump remains in office, the possibility of a veto. But even if repeal proves difficult, the push would allow Democrats to frame themselves as trying to reclaim congressional authority over trade while placing Republicans in the position of defending a signature Trump policy.

In that sense, the tariff fight is likely to be as much about political definition as policy outcome.

An oversight campaign takes shape

If tariffs are shaping up as Democrats’ economic message, oversight is emerging as their instrument of confrontation.

Democratic leaders and prospective committee chairmen have spent the days after the election making clear that they intend to investigate not only the conduct of the Trump administration, but also private companies believed to have benefited from ties to Mr. Trump or his allies. Once the new Congress is sworn in, committee leaders will gain subpoena power, transforming campaign-season warnings into institutional authority.

That prospect has already provoked a forceful response from the administration’s allies. Attorney General Todd Blanche has suggested that lawmakers themselves could face scrutiny, a signal that the Justice Department may not remain a passive target if Congress opens a broad investigatory front.

The exchange has deepened fears in both parties that Washington is moving toward a particularly aggressive form of trench warfare, one in which oversight and law enforcement increasingly mirror each other as political tools.

Congressional investigations are hardly new, nor is tension between the legislative and executive branches. But the current posture suggests something more expansive: Democrats are indicating that they may examine not only public decision-making inside the White House, but also the commercial ecosystem around it. Republicans, for their part, are hinting that such inquiries could be met with counter-investigations or legal resistance.

The practical effect could be months of subpoenas, document fights, witness clashes and court battles — all layered on top of the ordinary business of funding the government and legislating.

The struggle over what comes first

The central question hanging over Washington is not whether Democrats will pursue both lower-profile governing fights and high-profile investigations. It is which will dominate first.

Some Democrats see tariffs as a cleaner opening move, a way to argue that the party is focused on household costs and economic governance rather than simply turning to investigations. Others view oversight as unavoidable, especially after years in which they argued that the administration had escaped full accountability while Republicans controlled Congress.

Those priorities need not be mutually exclusive, but they compete for time, political capital and public attention. A Congress consumed by hearings and retaliation risks obscuring any effort to present a kitchen-table agenda. A Congress that emphasizes economics first could frustrate activists and lawmakers who believe delay only weakens the force of oversight.

That debate will be shaped in part by what happens before Jan. 3. If the lame-duck session ends with a messy funding dispute or unresolved debt-limit concerns, Democrats could begin their majority facing immediate fiscal brinkmanship. If Republicans strike a broad year-end deal, the new majority may have more room to stage-manage its opening months around tariffs and investigative priorities.

Why the lame-duck session matters now

Lame-duck sessions are often portrayed as aftershocks of elections, moments for clearing leftovers before power formally changes hands. This one looks more like the opening scene of the next struggle.

Republicans are trying to use their final weeks in control to manage deadlines that cannot be wished away. Democrats are using the same period to sketch a governing identity that blends economic populism, institutional reassertion and adversarial oversight. Mr. Trump, meanwhile, remains at the center of both tracks — as the architect of the tariff policy Democrats want to dismantle and as the target, direct or indirect, of the investigations they want to begin.

So even as Congress takes up familiar end-of-year business, the larger battle has already started. It is a contest over who will define the next phase of Washington: the outgoing majority trying to set terms before it yields power, or the incoming one determined to show that the election changed more than the scoreboard.