Kamala Harris is officially Joe Biden's vice presidential running mate for the 2020 election. Harris is the first Black woman on a major party presidential ticket.«I have the great honor to announce that I’ve picked @KamalaHarris -- a fearless fighter for the little guy, and one of the country’s finest public servants -- as my running mate,» Biden tweeted on Tuesday. «Back when Kamala was Attorney General, she worked closely with Beau.