“I’m stunned,” said Dingell, who represents Michigan’s 6th District and is among the state’s highest-profile politicians. “She told me months ago she was running. … I can’t imagine our delegation without her, but today is the day we celebrate her and then we figure it out.”
Stabenow’s announcement on Thursday marks the first major retirement ahead of the 2024 cycle, when Senate Democrats will be on defense in a slate of…