Pete Buttigieg and Joe Biden at the first Democratic presidential debate in Miami last year. Photo: Drew Angerer/Getty Images
Former Vice President Joe Biden said that the 38-year-old Pete Buttigieg was reminiscent of his late son, Beau Biden, because he also "has a backbone ... like a ramrod," after Biden's former Democratic presidential rival endorsed him for president Monday.
The big picture: Biden's campaign has been gaining momentum since he won the South Carolina Democratic primary. Former 2020 candidates Amy Klobuchar, who dropped out of the race earlier in the day, and Beto O'Rourke, who suspended his campaign last November, also endorsed him at a rally in Dallas on Monday.
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Editor's note: This article has been updated to reflect O'Rourke's endorsement of Biden.