California Gov. Gavin Newsom (D) said Friday that GOP presidential candidate Nikki Haley is among his party’s best surrogates on the campaign trail, as she seeks to take down former President Trump in the Republican primary. “I think she’s one of our better surrogates, so I hope she stays in. I hope she does well tomorrow — at least, well enough,” Newsom said, referring to the GOP South Carolina primary, after CNN’s Jake Tapper asked whether Haley or Trump had a better chance against President Biden in November. Newsom, a staunch supporter of Biden, added that he agreed with most...