Vice President Kamala Harris' interview drought finally ended Thursday, but after 43 days as the presumptive and now official Democratic nominee for president, she has yet to hold an official press conference.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 in Georgia, joined by running mate Tim Walz.Harris defended some of her noted policy flip-flops on issues like fracking and immigration, saying her "values" hadn't changed. She was also pressed on whether she had regrets about defending President Biden's mental acuity after his debate, given