A backlash over high prices helped Republicans capture a majority in 2024. Now, it may be the source of the party’s own undoing.

Intense and self-assured, James Blair has had the president’s backing, but a major loss could set off a search for someone to blame.

The nation’s major political parties are at a crossroads. President Donald Trump is facing the prospect of a voter rebellion Tuesday that could force Republican officials to rethink their allegiance to the 80-year-old lame-duck leader and his “Make America Great Again” movement.