Joe Biden’s decision to step down as the Democratic Party’s nominee for president has opened the door for other contenders to become the Democratic nominee in November. He has thrown his support behind US vice president Kamala Harris, and other prominent Democrats moved quickly to rally around her candidacy, but it is unclear how smooth her path to the party’s nomination is. Advertisement Here are some of the leading contenders for a spot on the Democratic ticket... Kamala Harris Kamala Harris (Marcio Jose Sanchez/AP) Born in Oakland, California, Ms Harris calls former Supreme Court justice Thurgood Marshall an inspiration and...