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Biden’s Lead Is Wider Than Ever, But It Won’t Necessarily Last

A new CNN poll shows him gaining strength compared to the rest of the field, but also betrays a major weakness.

Former U.S. Vice President and candidate for the 2020 democratic presidential nomination, Joe Biden.

Former U.S. Vice President and candidate for the 2020 democratic presidential nomination, Joe Biden.

Photographer: Daniel Acker/Bloomberg

A new CNN poll out this morning shows Joe Biden with a commanding lead over the rest of the Democratic field. With 29% support, Biden is lapping his nearest rivals, Bernie Sanders (15%) and Elizabeth Warren (14%). Kamala Harris, whose attack on Biden’s busing record vaulted her into the top tier after the Miami debate, has plunged to 5%.

This is all good news for the often-embattled frontrunner, who’s stumbled through a series of gaffes and been the subject of attacks in both Democratic debates. More importantly, this is the first poll I’ve seen where Biden’s lead has measurably increased—the last CNN poll, in late June, had him at 22%. Voters say they prize the ability to defeat Trump above all else, and they believe Biden is the candidate most likely to do so, hence his resilience.