Kelcy Warren, oil billionaire GOP donor, sues Beto O'Rourke for defamation

AUSTIN, Texas — A Texas oil pipeline billionaire is suing Beto O'Rourke for defamation after the Democrat criticized his $1 million donation to Republican Gov. Greg Abbott's campaign following last year's deadly winter blackout.

O'Rourke, who won the Democratic nomination for governor last week, called the lawsuit frivolous during a ...