Vivek has a lot of runway in front of him and is the ascent phase of his career in politics. All he has to do is avoid big mistakes, like what you’re suggesting.
So in your scenario perhaps he should declare, "Hey, Ronna! I'm so sorry for slamming you in the last debate. I now realize you are doing such a terrific job that you should remain chairwoman of the RNC for life so you can continue staying at 5 star hotels and splurging your expense account on gourmet dining."