Vice President Kamala Harris' interview drought finally comes to an end on Thursday, but after 39 days as the presumptive and now official Democratic nominee for president, she has yet to do an official press conference, and it's not clear if she'll ever do one as a candidate.Under pressure to sit down for a substantive interview after weeks of stonewalling, she agreed to a sit-down with CNN's Dana Bash on Thursday. She will be joined in the interview by running mate Tim Walz.During one of her rare and brief press gaggles since taking over the nomination from President Biden, Harris