Former U.S. Vice President Joe Biden, 2020 Democratic presidential candidate, speaks during a campaign event in Cedar Rapids, Iowa, U.S. (Photographer: Elijah Nouvelage/Bloomberg)

Biden’s Lead Shrinks as Warren, Harris Rise in Post-Debate Poll

(Bloomberg) -- Former Vice President Joe Biden’s lead in the race for the 2020 Democratic presidential nomination has shrunk by 10 percentage points in a CNN poll conducted since last week’s debate...

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