Why not challenge him on publicly admitted "facts?"
Why, then, not ask a court how he could be US NBC based on public admissions of being governed by a foreign power?
On the contrary, virtually all other cases HAVE been "fishing expeditions" so far as I can tell (being a non lawyer).
What would be your recommendation as to how a case should be brought forward?
Allege to the court he can't be US NBC based on public admissions of being governed by a foreign power.
Or, do you have a better idea?
Leo Donofrio thinks only Quo Warranto action brought by the US AG or the DC Circuit Court could be successful now that Obama has been sworn in, absent impeachment. Quo Warranto, unlike a civil or criminal lawsuit, puts the burden of proof on Obama to show that he is eligible. See Leos site for details:
http://naturalborncitizen.wordpress.com/