text:  Live from NPR News in Culver City, California, I'm Dwayne Brown. Day two of the Republican National Convention in Milwaukee will feature Donald Trump's former primary opponent, Nikki Haley, among the speakers. Officials say the theme will focus on safety issues of border security, drug trafficking, and domestic crime. NPR's Domenico Montanaro says this convention is meant to reinforce Trump's appeal beyond the party faithful to moderate voters and people of color.