Chuck Grassley, Nikki Haley, and Dianne Feinstein
Haley’s call for competency tests would include aging senators like Chuck Grassley and Dianne Feinstein, both 89 years old.
  • Nikki Haley is calling for "mandatory mental competency tests" for politicians over the age of 75.
  • Over a sixth of the US Senate is age 75 or older. We asked some of them what they thought about the idea.
  • Some said they'd be willing to take a test, but most were dismissive.

Nikki Haley is calling for "mental competency tests" for politicians over the age of 75 — a category that includes more than one-sixth of current US senators, both presumptive presidential frontrunners, and more than 30 current US House members.