Eighteen Republican senators face re-election in 2028, and seven of them represent states that just elected a Democrat or came within three points of doing so. That single electoral fact, more than any change of heart in Washington, is why the 2027 Congress could pass more major legislation than any session in years — including bills that override a presidential veto.

That is the argument advanced by a former Senate speechwriter to Majority Leader Harry Reid, writing in Fortune. The claim deserves scrutiny, but the arithmetic behind it is concrete.

Why the old gridlock math no longer holds

For a decade, the standard Washington prediction model worked: Democrats hold both chambers, President Trump holds the veto pen, breaking a filibuster (a procedural threshold requiring 60 Senate votes) needs 60, and overriding a veto needs 67. The author recalls that during the Reid era, cloakroom staff could predict 99 percent of vote outcomes before the roll call.

But the 2026 election scrambled the incentives. Republicans now fear general elections, not just primaries. The pattern of 2016-2026 — when the primary threat from the right, backed by Trump, ended careers — broke this cycle in dramatic fashion.

The evidence is specific:

• Trump helped push out Senator Bill Cassidy in Louisiana and John Cornyn in Texas in primaries this spring.
• Ken Paxton, the nominee who replaced Cornyn, lost Texas by 12 points.
• Julia Letlow, Trump's pick in Louisiana, held the seat by less than two.
• Republicans lost Senate races in South Carolina and probably Mississippi — states nobody expected to be competitive.
• Montana, one of the most Republican states in the country, might have elected a Democrat if the Democratic nominee and a stronger independent had not split votes.
• Senator Ashley Moody held Florida by under three points and faces voters again in 2028.

The author's conclusion: winning the 2028 primary will be only half the battle in almost any state, and there will be very few obviously safe Republican Senate seats next cycle — especially if cost-of-living pressures do not ease.

What does this change for companies?

The practical question for executives is what actually moves. The author points to near-90 percent of voters in the NBC News exit poll saying they were concerned about the cost of gas, groceries, utilities and health care. Legislators who need to show results on those issues, the argument runs, could form filibuster-proof and even veto-proof majorities on economic legislation not indelibly branded as Democratic.

There is precedent. This past summer the Senate passed a major housing bill 85-5, and it became law even though Trump refused to sign it — meaning Congress overturned his veto. Legislation to stop data centers from passing costs onto local communities came close to passing this fall; Democrats voted no because they thought it did not go far enough, and a tougher version could pass next year. Permitting reform and health insurance premiums are cited as other plausible bipartisan fronts.

Every promise here comes with a caveat, and the author supplies few of them. The claim that Republicans will not sign onto signature Democratic priorities is asserted, not demonstrated. The housing bill and data center measure show coalitions can form — but on narrow, low-salience issues. Whether that extends to anything structurally difficult remains untested.

The tariff fight is the real test

The sharpest test will be tariffs. Legislation restoring Congress's authority over trade could reach a veto-proof majority, the author argues, and the numbers are worth checking rather than accepting.

If Democrats end up with 56 Senate seats, an override needs 11 Republicans. In the House it needs roughly 30, and about 40 House Republicans won this year by five points or less. Seven clearly vulnerable Republican senators, plus others who have already backed congressional authority over trade, make the scenario, in the author's words, "no longer out of the question."

A year ago those numbers would have sounded absurd. The forecast still rests on an unspoken assumption: that vulnerable Republicans will calculate that distancing themselves from the White House on trade helps them survive. Politicians have defied that kind of arithmetic before.

The warning for corporate public affairs

The most actionable point for CEOs is the planning gap. Some emerging coalitions will advance issues companies have wanted for years, such as permitting reform. Others will form against particular industries. Tech companies that assumed the data center buildout would go unchallenged, the author writes, should expect major headaches and likely far higher costs than they have budgeted.

The sharpest warning is aimed at in-house forecasters: beware anyone on your team who confidently predicts voting patterns and legislative agendas based on how things always go. The author quotes Dwight Eisenhower: "Plans are useless, planning is everything."

Even the early evidence of Republican repositioning is ambiguous. Four days after the election, Senator Ron Johnson of Wisconsin — one of Trump's most loyal allies — went on Fox News and accused people inside the Trump administration of serving special interests, arguing corporations have grown too close to the agencies that regulate them. When Trump made clear he took it personally, Johnson widened his complaint to "deep state" actors in every administration. He broke first and softened second. That sequencing tells you where his incentive lies; the softening tells you the break has limits.

What is not said in the piece also matters. There is no polling of Republican senators on tariffs, no whip count, no discussion of House leadership's willingness to bring such bills forward. The argument is an incentive model, not a forecast of votes. Executives reading it should treat 2027 as a widening range of legislative outcomes — including some that raise costs — rather than a gridlock guarantee.