SAN ANTONIO — The signs of a political shift in the reliably blue counties that line Texas’s southern border with Mexico had been coming. Local GOP offices were emerging in places like Starr County that had not voted for a Republican for president in a ...

Also, sign up for The Brief, our daily newsletter that keeps readers up to speed on the most essential Texas news. Texas Democrats have long viewed the state’s growing Latino population as their ticket to eventually breaking through the Republican Party’s dominance.

Republicans had a big night in South Texas, flipping predominately Hispanic counties along the US-Mexico border