Dianne Feinstein has become a painfully sad spectacle, being wheeled through the Capitol as she so visibly struggles to perform the basic duties of a United States senator. She has joined the ranks of formidable leaders who stayed in office too long. Yet at this point, I fear her resignation more than I fear her remaining in office. Since Feinstein effectively became the decisive vote on the Senate Judiciary Committee after the 2020 election, the window for her to resign without potential…