You seem to worry about what is constitutional where you like rather than with respect to actuality. Overturning an election is a duty to the Constitution if the election itself is Constitutionally flawed.
Moving constitutional issues aside in the Obama case; Obama has a duty to the country and those who voted for him, not to mention to himself and his agenda, to end the question of his birth and show the document being so speculated about. It is the adult thing to do. It is the American thing to do. It is the RESPONSABLE thing to do.
Yes....but.....
it's not the Marxist DemocRAT thing to do.