 Nikki Haley is scheduled to speak tonight at the Republican National Convention in Milwaukee. She was the last candidate to challenge Donald Trump for the Republican presidential nomination. Meantime, the new GOP ticket is getting ready to hit the campaign trail. Here's the AP's Sagar Magani. Donald Trump says he and running mate J.D. Vance will appear together at a rally in Grand Rapids, Michigan Saturday. It'll be their first joint outing since accepting their nominations.