Joe Biden has picked his former one-time presidential rival Kamala Harris to be his running mate, making her the first woman of colour on a major party presidential ticket.<br /><br />The Guardian's Lauren Gambino explains Harris's trailblazing background and the excitement around the Californian senator's nomination.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline