Cornyn will need to use his deep coffers to overcome an early polling deficit to Paxton, who is looking to deny the GOP incumbent’s bid for a fifth term.

Sanford Nowlin is editor-in-chief of the San Antonio Current. He holds degrees from Trinity University and the University of Texas at San Antonio, and his reporting has appeared in Texas Highways, Editor & Publisher, American Banker, Orlando Weekly, Creative Loafing Tampa Bay, Riverfront Times, Cleveland Scene,...

Sen. John Cornyn has established a wide fundraising advantage over his Texas Republican primary opponent state Attorney General Ken Paxton, according to financial figures obtained by Axios. Why it matters: Cornyn is facing a more serious primary threat than any other senator up for election next year — and will need every dollar he can get.