Cori Bush faces primary challenge as voters head to polls in Missouri, Michigan and Washington

Voters in Missouri’s 1st Congressional District will head to the polls Tuesday as Rep. Cori Bush fights to hold on to her seat in the Democratic primary against St. Louis County prosecutor Wesley Bell, who is backed by a powerful pro-Israel lobbying group. The race between two liberal Black candidates in this district gets to the heart of a fissure within the Democratic Party over the United States’ unwavering support of Israel’s military operation in Gaza.

While the vote in Bush’s primary will be among the most hotly contested on...