 Younger Democrats are especially likely to want to see the president bow out and say they're dissatisfied with him. Sagar Mangani, Washington. Democrats will look to hold a virtual vote to make President Biden their party's nominee in the first week of August. At the Republican National Convention tonight in Milwaukee, Donald Trump's running mate, J.D. Vance, will be in the spotlight. Vice President Kamala Harris says Vance is not loyal to the nation. He's loyal to Donald Trump.