Former Trump 2016 Republican rival Carly Fiorina to back Biden

While Trump insulted a number of his 16 Republican rivals in the 2016 presidential campaign, Fiorina was the target of what was arguably one of the nastiest swipes. https://www.jpost.com/us-elections/former-trump-2016-republican-rival-carly-fiorina-to-back-biden-632869