The natural born citizen requirement was ignored in the 2008 and 2012 elections.
You missed 1881. The birther interpretation was ignored twice in 1881, with Republicans setting the precedent for ignoring birthers.
You clearly haven't seen the legwork done on Chester A. Arthur. Nobody knew his dad was foreign until 2008, and Arthur did everything he could to make sure nobody ever found out.
Not a good example. Arthur would not have tried to hide it if he thought it wouldn't matter.
“You missed 1881.”
Ah, yes. Chester Arthur, the possibly Canadian born president, spawn of an Irish father and possibly Canadian mother.