President Donald Trump is on a winning streak in Republican primaries, most recently endorsing Ken Paxton ahead of his Tuesday runoff victory over Sen. John Cornyn in Texas.
READ MORE: Cornyn went to great lengths to avoid Trump's wrath. The Texas senator lost his seat anyway
But Trump's tightening grip on his party could make it harder to win in the November midterms, when Republicans face a broader electorate that has soured on the president's second term and the economy.
The risk is compounded, Republican operatives say, by how cavalier the billionaire president has been in addressing Americans' financial worries, which have been exacerbated by Trump's trade roller coaster and his ongoing war against Iran.
Republican strategist David Urban, a Trump ally, acknowledged the president's approach is making things harder for his party.
