Constitutional conservative is not eligible under that Constitution.
... ah, sorry WRONG, he is a natural born citizen as comfirmed by two states where he was challenged on the ballot, but you probably knew that already...
ymmv
A natural born citizen is someone born in theis country to citizen parents.
One is NATURALLY a US citizen when one cannot be anything else.
When one is born something else, like Canadian or Cuban, or both, one cannot be a natural born citizen.