Not of the US. School, yes.
Paul Ryan has never ran for president. He did run for vice president in 2012, though.
Funny question, but no. :)
yes, I think
No- further he did not the get the nomination after he was president. He never ran for president.
Sorry! There is no person that was the son of a president and the father of a president.
Yes, there have been instances in which an incumbent president has chosen not to run for re-election.
Maybe... But to me, most likely not.
If one of the parents is a US citizen, the child is a natural born US citizen. Yes, they can run for president.
Only one, if you ever won.
No. He only ran for governor.
There have been many Vice-Presidents who opted not to run for President. The most recent was Dick Cheney.
Yes. Barack Obama eventually won this campaign and became the 44th President of the United States.