Representative Liz Cheney’s martyr-like quest to stop Donald J. Trump has ensured her place in Republican Party history. But her lopsided defeat in Wyoming on Tuesday also exposed the remarkable degree to which the former president still controls the party’s present — and its near future.
Ten House Republicans voted to impeach Mr. Trump in early 2021 for his role inciting the mob that stormed the Capitol. Only two have survived the 2022 Republican primaries, a breathtaking run of losses and forced retirements in a chamber where incumbents typically prevail with ease.
No single defeat was as freighted with significance as Ms. Cheney’s, or as revealing of the party’s realignment.
The sheer scope of her loss — the daughter of a former vice president was defeated in a landslide…