Bubba Wallace is in win-now mode, and Kevin Harvick believes his team is doing everything it can to get to the playoffs. On Kevin Harvick’s Happy Hour, Harvick revealed the dynamic at 23XI Racing and Wallace ahead of the Southern 500 at Darlington Raceway. “I think since the break it’s been that way. I think they’ve been focused on that 23 car,” Harvick said. “Really, it doesn’t change a lot except for those things we talk about that might be questionable and being able to really put that last bit of effort into everything that you have going on. You hope that you don’t have to do it at this p…