13 Days: Kamala Harris has not held a press conference since emerging as presumptive Democratic nominee

Vice President Kamala Harris has gone 13 days without holding a formal press conference since becoming the presumptive Democratic presidential nominee. 

Harris announced that she had locked up the nomination late on July 22, declaring that she had won commitments of backing from a majority of the nearly 4,000 delegates to next month's Democratic National Convention. She has since hit the campaign trail, spoken at various events, and even chatted with reporters here and there, but hasn’t...