Rep. Ro Khanna seems to think Sen. Dianne Feinstein should resign just because she’s 100 years old and “can no longer fulfill her duties.” Khanna complicates things, though, by saying that “not speaking out undermines our credibility.”

We agree that Democrats who refuse to speak out when one of their own is no longer able to fulfill their duties undermine their credibility.

Joe Biden’s 80 and can’t read a teleprompter, Nancy Pelosi is 80 and apparently gets drunk on gourmet ice cream.