 I'm Michael Toscano. The second day of the Republican National Convention devoted some of the primetime speaking slots to easing old political frictions. CBS News correspondent Natalie Brand describes a show of unity. Nikki Haley, who was Trump's longest-lasting challenger during the primary season, spoke Tuesday night. The former U.N. ambassador was added to the lineup following Saturday's assassination attempt. During the campaign, she had called Trump unfit for office. I'm here tonight because we have a country to save.