 repeatedly mouthing thank you to his supporters. At the convention, Mr. Trump was formally nominated as the party's candidate for the presidential election in November and named his running mate for vice president. Let's hear from our North America editor, Sarah Smith, who's at the convention in the U.S. Ladies and gentlemen, the 45th president of the United States and soon to be the 47th president of the United States, please welcome Donald J. Trump.