Chris Christie actually said...

I am going to make sure that in no way do I enable Donald Trump to ever be president of the United States again.

if you can't say the former president is unfit, you're unfit yourself.

If Donald Trump becomes the nominee of this party, the moment that it happened was when Nikki Haley and Ron DeSantis and Tim Scott and Mike ...

anyone who is unwilling to say the former president is unfit for office is unfit themselves to be president.