GOP makes push to weaken Democrats’ grip on Texas border

Just weeks before Election Day in Texas, once again there is big money, new signs of shifting voters and bold predictions of an upset that will turn heads across the U.S.

But this time, it’s coming from Republicans.

“We are going to turn the Rio Grande Valley red,” said Republican 

, kicking off a rally in the Texas border city of Harlingen.

As Democrats embark on another October blitz in pursuit of flipping America’s biggest red…