The Republicans had a perfect opportunity to get the truth about soebarkah and to confirm the definition of natural born citizen but they lacked the testicular fortitude.
The GOP had a stable full of their own ineligibles, Rubio, Cruz, Haley, Jindal and most importantly George P. Bush.
His mother was a Mexican national at the time and he was born a Mexican national as a result.
Both parties wanted the natural born citizen clause gutted.