When Joe Biden dropped out of the US presidential election after weeks of pressure from his party, he quickly made clear he had only one successor in mind. “My very first decision as the party nominee in 2020 was to pick Kamala Harris as my Vice President,” he wrote in a post on X. “And it’s been the best decision I’ve made. Today I want to offer my full support and endorsement for Kamala to be the nominee of our party this year. Democrats — it’s time to come together and beat Trump. Let’s do this.” In her own statement, Harris wrote: “On behalf of the American people, I thank Joe Biden for hi…