Republican unity crumbles as America's mood sours

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The honeymoon period of the second Trump administration has given way to a new phase where elected Republicans have grown emboldened to defy the president and push back on his administration.

Why it matters: As Trump approval numbers sag and concerns grow over the 2026 midterms outlook, Republicans are fending for themselves and stepping out of line from their party leaders.

Trump Cabinet members have also started to draw a skeptical eye from some Republicans.

  • Sen. Joni Ernst (R-Iowa), who has at times been more skeptical of Hegseth than other Republicans, called his tenure "bumpy" this week.
  • Sen. Bill Cassidy (R-La.) renewed his criticism of HHS Sec. Robert F. Kennedy Jr.'s vaccine policies this week, and in September was joined by a number of other Republicans who criticized Kennedy Jr.'s vaccine agenda in pointed terms.

Flashback: The opening months of Trump's term were defined by Congress' lax approach to checking and balancing the executive branch.

  • None of his top-level nominees were rejected in Senate confirmation votes. Just 11 "no" votes from five senators were cast across the confirmation of 22 key nominations, according to a CBS News analysis.
  • Congress was permissive as Trump entered uncharted territory in invoking "emergencies" to bypass legislative approval on tariffs, deportations and deployments of the National Guard.

Within the Republican-controlled House, a fragile majority has grown more creaky and more at war with itself.

  • Members are calling it quits at a record rate and leaving Republicans with less and less margin for error to keep power in 2026.
  • Speaker Mike Johnson (R-La.) is facing a revolt from a number of his most vocal members, including from Rep. Elise Stefanik (R-N.Y.), a member of leadership who called Johnson a "political novice."

What they're saying: "In a short time, President Trump has already delivered on many of the promises he was elected to enact thanks to his leadership and a unified Republican Party," White House spokeswoman Abigail Jackson told Axios in a statement.

  • "As the architect of the MAGA movement, and the unequivocal leader of the Republican Party, President Trump will always put America First."

The bottom line: Republicans who have to face voters again are much more reluctant to badmouth him.

  • Trump's most vocal detractors among Senate Republicans — Mitch McConnell (R-Ky.) and Thom Tillis (R-N.C.) — are leaving Congress after their current terms.
  • Most dramatically, onetime close ally Rep. Marjorie Taylor Greene announced her exit from Congress after incurring Trump's wrath by being repeatedly critical of him.