Long-time GOP Rep. Mac Thornberry announced Monday he will not seek reelection in 2020. He represents the 13th congressional district of Texas; the most Republican district in the country per The Cook Political Report. Thornberry won a 13th term by nearly 65% in 2018 while Donald Trump won by 63% over Hillary Clinton in 2016.
Thornberry is the 22nd current member of the House to announce they will retire or seek another office in 2020. The list includes 17 Republicans, of which 6 are from Texas.