Why do unfit politicians get to keep their jobs?

Sen. Dianne Feinstein offers us yet another example of how some politicians couldn’t cut it in the private sector.

Is the Democrat from California mentally fit to do her critically important job? Some of her Senate colleagues don’t think so. According to a report in the San Francisco Chronicle, these colleagues say Feinstein, 88, is suffering significant cognitive decline. They allege that the once formidable Senate powerhouse doesn’t remember people’s faces and has a deteriorating memory.