Thursday on the RealClearPolitics radio show -- weekdays at 6:00 pm on SiriusXM's POTUS Channel 124 -- Andrew Walworth, Carl Cannon, and Tom Bevan discuss the DNC's online presidential nominating process and the "virtualization" of the Harris campaign. They also review the fallout from Donald Trump's eventful Q&A on Wednesday at the National Association of Black Journalists convention in Chicago.