USA polls: What next for the Democrats after Biden endorses VP Kamala

With President Joe Biden ending his reelection 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 in August.

What was supposed to be a coronation for 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…