Democratic presidential candidate former Vice President Joe Biden, at left, talks with supporters during a primary election night rally Tuesday, March 3, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)
March 5, 2020
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March 5, 2020 1:46 a.m.
How winning turned Biden into a confident candidate
LOS ANGELES (AP) — Joe Biden strode confidently to the podium, shutters clicking, a bank of cameras beaming to a national audience.