The GOP battle for the U.S. Senate seat in Texas is shaping up to be a very tight contest.

Texas has emerged as one of the top battlegrounds for the midterm elections, both in its push for redistricting and as incumbent Sen. John Cornyn (R-TX) fends off one of the most serious primary threats of his career.

Ken Paxton won a legal fight to change Harris County's bail system to prevent what he deems dangerous releases.