Bush had emerged as one of Congress’s most outspoken critics of Israel following the October 7 Hamas attack and the subsequent war in Gaza, while Bell campaigned on a more moderate platform.

A rivalry that began over Israel's war in Gaza will test how much Democratic voters' views on the U.S. ally have shifted.

St. Louis-area congressman Wesley Bell faces a Democratic primary rematch Tuesday with former congresswoman Cori Bush, who lost the seat to Bell in 2024.

Unlike the DSA newcomers who won in New York and Colorado, Bush has a political history looming over her comeback bid.