John Cornyn spent years building the GOP. MAGA tore him down.
Why this matters: political developments that affect policy direction and public trust.
The storied career of Sen. John Cornyn came to a swift and decisive end at the hands of the GOP voters who once propelled him to power. The senator was a towering figure in both national and Texas politics, known for his sober temperament, ability to cut deals and role in shaping the Senate GOP conference during the last four presidencies. Then, just about an hour after polls closed Tuesday, Cornyn lost his primary to Ken Paxton, a scandal-plagued MAGA darling who was boosted by President Donald Trump’s last-minute endorsement. Cornyn’s defeat is rattling the establishment wing of the GOP, who viewed the brutal primary as a battle for the soul of the party. His supporters mourn his approaching absence in the Senate as another example of an institutionalist who fell victim to the rise of the populist right, what they see as the end of an era of compassionate conservatism. “It just blows my mind that anybody could look at John Cornyn and somehow call him a secret liberal RINO,” said Josh Schroeder, mayor of Georgetown, Texas, and a Cornyn supporter. “If that guy can't pass a conservative litmus test, who can?” Cornyn's loss stands to further deplete the corps of senators willing to work across the aisle on thorny policy issues, from immigration reform to gun safety — potentially contributing further to increasing polarization on Capitol Hill. While Cornyn was not a frequent bipartisan operator in the mold of former Sens. Joe Manchin (I-W.Va.) or Rob Portman (R-Ohio), he occasionally dug in to try and find compromise. His loss comes just ten days after fellow Sen. Bill Cassidy (R-La.) lost his own primary to a Trump-backed challenger. Before that, it had been 14 years since the last elected senator lost a primary. “He's always been about delivering results for Texas rather than chasing headlines,” said Brian Walsh, Cornyn’s former communications director. “He respects the Senate as his institution and believes deeply in doing the work the right way, even when it's diff