Democratic presidential candidate Sen. Bernie Sanders, I-Vt., speaks during a primary night election rally in Essex Junction, Vt., Tuesday, March 3, 2020. (AP Photo/Charles Krupa)
March 6, 2020
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March 6, 2020 1:06 a.m.
Sanders struggles to expand supporter base after Warren exit
WASHINGTON (AP) — It took Joe Biden's moderate rivals just hours to unite behind his presidential campaign after they left the race. Bernie Sanders hasn't been so fortunate.