Nikki Haley is looking like she might be the runner-up for the Republican presidential nomination, but she’s not thinking about her running mate just yet. In an interview on NewsNation’s “On Balance,” host Leland Vittert asked Haley if she would pick Donald Trump, her former boss, to be by her side if she were to be the president. Haley responded, “I’m not going to think about who’s going to be my VP yet, but in six months, I’ll be happy to tell you.” During a rally in Iowa, Haley, 51, outlined her strategy going forward. “Our goal is to make today better than yesterday. That’s it — strong in …