Sen. John Fetterman criticizes Sen. Bernie Sanders over Sanders’s endorsements of candidates in Maine and Michigan. Fetterman says Sanders should stop backing candidates, arguing that Sanders’s recent endorsement decisions are problematic for Democrats’ electoral prospects. The criticism centers on Sanders’s support for former Maine Senate candidate Graham Platner and Sanders’s backing of Michigan Senate candidate Abdul El-Sayed. Multiple outlets report that Fetterman’s remarks come as Sanders holds campaign activity in Detroit alongside other prominent Democrats, including Rep. Alexandria Ocasio-Cortez. The coverage describes Fetterman’s tone as sharply dismissive of Sanders’s approach, while noting that the underlying dispute involves disagreements over which candidates Sanders chooses to endorse. The reports also frame the exchange within the broader context of Fetterman and Sanders being fellow left-leaning Democrats who have at times diverged on political strategy and candidates. No sources in this set provide new details beyond the fact of the endorsements and Fetterman’s public rebuttal.