Feinstein still effective, so why should she quit?

None of the host of ultra-liberal Democrats who would love to succeed her makes the direct argument that at 84 — she’ll be one year older by next November’s election — fellow Democrat Dianne Feinstein is too aged to be one of California’s two U.S. senators.
But that’s what they mean. “Feinstein … is no less alert and active today than she’s been in recent years,” went one essay in California’s largest newspaper, damning her with