Nikki Haley actually said...

Mandatory mental competency test for politicians over 75 years old.

Why are we allowing ourselves to have two 80-year-olds who can't serve eight years, who both are diminished, whether it's in their character...

I think older people see it too. They know that we need a new generational leader.

Her campaign says the request is because of threats she's receiving from taking on Trump.