Harris and Warren Surge After Debate

A new CNN poll conducted after first Democratic debate finds 22% of backing Joe Biden for the party’s presidential nomination, followed by Kamala Harris at 17%, Elizabeth Warren at 15% and Bernie Sanders at 14%. No one else in the 23-person field tested hits 5%.

That represents a 10-point decline in support for Biden since the last poll in May, while Harris has posted a 9-point increase and Warren has boosted her support by 8 points.

No other candidates have seen significant movement since the last poll.