Republicans Barely Won the House. Now Can They Run It?

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.
Republicans managed to make their victory in the House seem like a loss by underperforming so badly. But while they did not win control by anywhere near the margin that they anticipated, they did win. And in the House, even the barest majority can work its will if it can hold together to produce 218 votes.
The main question going...