 Good evening, I'm Demetri Sotis. Rich Hunter is our producer. Top stories tonight, we are your election source, WTOP. CBS News special report. On this first day of the Republican National Convention in Milwaukee, Wisconsin, former President Donald Trump wins the GOP presidential nomination and chooses a freshman senator as his running mate. Senator J.D. Vance has the overwhelming support of this convention to be the next vice president of the United States.