The Republican Party controls Congress and the White House.

Yet with one of its final opportunities to advance Donald Trump’s agenda before a long summer recess, the party is turning on itself.

Senate Majority Leader John Thune has reportedly refused to move forward with a major Republican reconciliation package until the Senate finds a viable path for funding the government next year.

That decision directly disrupts plans being pushed by House Speaker Mike Johnson and places Thune increasingly at odds with Trump.

According to Punchbowl News, the South Dakota Republican is prioritizing the survival of his Senate majority over the president’s political “whims.”

The rupture comes at a critical moment.

House Republicans are preparing to leave Washington on Thursday for a five-week recess, giving congressional leaders only a narrow window to pass legislation tied to the White House’s priorities.

Johnson wants the House to advance a reconciliation package that reportedly includes $60 billion for the Pentagon to cover costs associated with the war against Iran.

But on Tuesday, Thune announced that he would not advance the package in the Senate until Republicans determine how to move a broader government-funding bill for the next fiscal year.

That effectively spoiled Johnson’s plan before the House had even voted.

The conflict exposes a widening strategic divide between the two most powerful Republicans on Capitol Hill.

Johnson is focused on satisfying Trump and managing a volatile House conference with a narrow majority.

Thune is trying to protect Republican senators from politically dangerous votes and procedural chaos.

Their goals are no longer aligned.

“We’re seeing once again the massive gulf between Johnson and Thune,” Punchbowl News reported.

“The two top Republicans seem to have different motivations at the moment and are handling their jobs very differently.”

The disagreement centers partly on the risks of using the reconciliation process to handle government funding.

Reconciliation allows certain budget-related legislation to pass the Senate with a simple majority, avoiding the usual 60-vote threshold needed to overcome a filibuster.

That makes it attractive to a party attempting to move legislation without Democratic support.

But it also comes with procedural dangers.

According to the report, attempting to force a continuing resolution through reconciliation could expose Republicans to an unlimited series of amendment votes requiring only a simple majority.

That process, known as a vote-a-rama, would allow Democrats to force senators to take public positions on politically sensitive subjects.

“Let’s be clear about how disastrous it would be to jam through a [continuing resolution] via reconciliation,” Punchbowl News warned.

For vulnerable Republican senators, those votes could become campaign advertisements.

Democrats might introduce amendments involving health care, abortion, Social Security, the Iran war, tariffs or other unpopular Trump policies.

Even if the amendments failed, senators would be placed on the record repeatedly.

Thune reportedly wants to avoid putting his members through another such ordeal.

His calculation is straightforward.

Trump may demand immediate legislative victories, but senators must survive elections in their own states.

A strategy that satisfies the president today but costs Republicans their majority in November would be a disastrous trade.

That is why Thune appears willing to delay or reject Johnson’s package.

He is not merely arguing over legislative procedure.

He is asserting that the Senate’s political interests do not always match Trump’s personal demands.

That represents a notable shift inside a party that has spent years treating presidential loyalty as its highest priority.

Trump still dominates the GOP.

But congressional leaders are increasingly forced to confront the consequences of following every demand he makes.

His approval ratings have weakened.

Independent voters are deeply dissatisfied.

The Iran conflict is unpopular and increasingly expensive.

Economic concerns remain unresolved.

In that environment, another massive spending vote or election-related confrontation could damage Republicans already facing difficult races.

The $60 billion proposed for the Pentagon adds another layer of risk.

Supporters may argue that the military needs additional resources to protect American forces and sustain operations against Iran.

Critics will ask why Congress is approving more deficit spending for an open-ended war without a clear public endgame.

They may also point to previously authorized defense funds that remain unspent.

House Republicans appear willing to push the money through quickly before leaving town.

Thune is signaling that the Senate will not simply accept whatever package the House sends across the Capitol.

The SAVE Act has become another source of conflict.

Trump has aggressively promoted the voter-identification legislation, portraying it as essential to election integrity.

The House has passed versions of the measure multiple times.

Thune has repeatedly acknowledged a basic political reality:

The bill does not have enough support to advance in the Senate.

That has not stopped Trump or House Republicans from demanding action.

According to Punchbowl News, Senate Republicans are doubtful that even portions of the SAVE Act can be placed inside the reconciliation package.

That is likely to infuriate House conservatives who view the legislation as a central priority.

The result is a collision between ideological demands and Senate arithmetic.

House Republicans can pass bills with a narrow majority and then blame the Senate when they fail.

Senate leaders must count actual votes.

They know that controversial election provisions may not survive procedural review or attract enough support.

Thune cannot create votes that do not exist.

Trump’s pressure does not change the rules of the chamber.

Yet admitting that limitation risks angering the president and his base.

Johnson’s position is equally difficult.

He must manage House Republicans who expect him to deliver Trump’s agenda before the recess.

If he removes the SAVE Act or weakens the defense package to satisfy Thune, conservatives may revolt.

If he passes a bill the Senate refuses to consider, the House will leave Washington having accomplished little.

That outcome would reinforce the image of a governing party incapable of governing.

Republicans could spend the recess blaming one another.

House members would accuse Thune of surrendering.

Senators would accuse Johnson of passing unrealistic legislation.

Trump would likely attack anyone who failed to meet his demands.

Democrats would point to the chaos as evidence that unified Republican control has produced paralysis.

The personal contrast between Johnson and Thune also matters.

Johnson has often aligned himself closely with Trump, relying on the president’s support to maintain authority over a fractured House conference.

Thune operates with a larger institutional base and appears more willing to protect Senate norms and incumbent members.

He cannot ignore Trump, but he may have more room to resist him.

That resistance is now becoming public.

The phrase “Trump’s whims” suggests that Thune views at least some White House demands as impulsive, politically driven and disconnected from the Senate’s practical realities.

It also implies that the majority leader sees his responsibility differently.

His job is not simply to execute presidential orders.

It is to preserve the Republican majority and manage the chamber.

Those interests may increasingly conflict.

The party’s frustration is intensified by timing.

This week represents one of the final opportunities to advance major legislation before lawmakers leave Washington for more than a month.

A government-funding deadline will loom afterward.

The war will continue consuming resources.

Election pressure will increase.

Every delay makes compromise more difficult.

Instead of entering the recess with a major achievement, Republicans may leave behind an unresolved spending fight and a public feud between their congressional leaders.

Trump built his political power partly by portraying himself as the one person capable of forcing Republicans into line.

That image weakens each time a senior party leader openly rejects his demands.

Thune’s resistance may encourage other senators to calculate that defiance is survivable.

It could also expose him to retaliation from Trump and the MAGA movement.

But the majority leader appears to have made his choice.

He is looking at the Senate map, the procedural risks and the vulnerability of his members.

Johnson is looking at the House calendar and Trump’s demands.

Neither leader appears prepared to yield.

Republicans have the votes to govern.

What they do not have is a shared plan.

And as the House prepares to leave Washington, the party’s final legislative push may be collapsing under the weight of its own internal war.