Beto O’Rourke donors pass on 2020 presidential campaign

Allan Chrisman was part of Beto O’Rourke’s 2018 campaign juggernaut, sending $500 to help the Texan try to unseat Sen. Ted Cruz.

But Mr. O’Rourke shouldn’t count on Mr. Chrisman’s help in the 2020 presidential battle, said the Duke University emeritus professor, who cast his support last year as more …