Biden wants to pass baton to Kamala Harris. How will that work?
With US President Joe Biden ending his re-election bid and endorsing Vice President Kamala Harris, Democrats now must navigate a shift that is unprecedented this late in an election year.
Democrats are set to hold their convention in Chicago on August 19-22. What was supposed to be a coronation for Mr Biden now becomes an open contest in which nearly 4,700 delegates will be responsible for picking a new standard-bearer to challenge Republican Donald Trump in the autumn.
