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.

Paxton's GOP primary opponent, Sen. John Cornyn, has yet to release his fundraising numbers but is starting with a deeper campaign war chest.

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