North Dakota Gov. Doug Burgum, who challenged former President Donald Trump for the 2024 GOP nomination until late last year, announced a surprise endorsement of his former competitor on Sunday, the eve of the Iowa caucuses. Burgum, who opted against being critical of the former president during his own 2024 bid, made the announcement at Trump’s Sunday afternoon rally in Indianola, located in suburban Des Moines, while on stage with his wife Kathryn. “Today, I’m here to do something that none of the other presidential primary candidates have done, and that’s endorse Donald J. Trump for the president of the...