Representative Kevin McCarthy is dealing with a group of right-wing detractors who appear impervious to negotiation, and who have yet to be moved even by the entreaties of the former president.
The letter demanding that the panel preserve its records — a step already required — was the latest indication that the G.O.P. is planning its own counter-investigation into the Jan. 6 attack.
The aspiring Republican House speaker disavowed the prominent white nationalist Nick Fuentes and his ideology, but declined to directly criticize former President Donald J. Trump for meeting with him.
A thin margin, ideological differences and competing pressures could make managing the “people’s House” virtually impossible. But the G.O.P. majority, however slim, will still be a challenge for President Biden.