Trump responded by warning that Republicans who opposed him would face primary challenges.¹⁰ Tariffs, once economic policy, now operate as loyalty signals.
Johnson called the rule failure the reality of governing with a narrow majority.¹¹ That explanation is factually accurate. It is also politically incomplete.
Tariffs have become difficult for leadership to shield because they land differently in different districts.
Nebraska farmers export roughly one-third of their production.¹² Washington apple growers depend heavily on Canadian markets.¹³ California manufacturers rely on imported components whose prices swing with tariff announcements.⁶ These businesses don’t experience tariffs as patriotic leverage. They experience them as unpredictable operating costs.
Several manufacturing groups reported delaying equipment purchases and hiring because tariff timelines are impossible to forecast.⁷ Businesses can absorb sudden costs. Long-term uncertainty is harder to manage. It changes loan terms. Insurance assumptions. Expansion planning. Workforce stability. The ripple spreads slowly, then all at once.
Trade wars begin as negotiation. Over time, they alter how companies make even routine planning decisions.
The constitutional tension makes the politics even harder. The Constitution gives Congress authority over trade.¹⁴ Trump’s tariffs rely on emergency statutes — particularly the International Emergency Economic Powers Act — that allow the executive branch to act quickly during national crises.¹⁵
Legal scholars across the political spectrum have warned that broad tariff use under emergency powers could gradually shift trade authority toward the presidency.¹⁶ The language of emergency statutes is intentionally flexible. That flexibility becomes precedent each time it is used without congressional override.
The Supreme Court is now weighing the boundaries of executive authority in related emergency-powers disputes, decisions that could influence how far tariff authority extends.² If the Court narrows executive power, Congress may have to reclaim responsibility it has gradually ceded for decades. If it does not, the precedent quietly expands.
That puts Republican lawmakers under three simultaneous pressures: loyalty to Trump’s economic nationalism, concern about congressional authority, and economic pressure from local industries whose margins are determined by decisions made thousands of miles from factory floors and farm gates.
Tariffs unify messaging. Governing them requires balancing competing pressures inside the same coalition.
Democrats have leaned into that tension. Instead of trying to eliminate tariffs outright —