Rep. Alexandria Ocasio-Cortez (D-N.Y.) is expected to endorse Sen. Bernie Sanders (I-Vt.) for president at a Sanders rally in Queens on Saturday, The Washington Post reports. Sanders' team has teased that a "special guest" would be joining him at the event. Reps. Ilhan Omar (Minn.) and Rashida Tlaib (Mich.) — who along with Ocasio-Cortez are part of an influential progressive group of freshman Democratic congresswomen known as "the Squad" — are also expected to endorse the 78-year-old senator, CNN says. Ocasio-Cortez's decision to endorse Sanders over fellow progressive Sen. Elizabeth Warren (D-Mass.) comes at a pivotal moment, as Sanders has slumped in polls and recently suffered a heart attack.

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