“Someone posted on another thread today that Missouri has already passed such a law. Is this correct?”
Thats what I read and also Wyoming. I believe all in all 5 states are in the process of passing eligibility legislation for 2012.
I understand the argument made by another person as to unless the states that have such requirements are also significant as to electoral votes Obama, or his enablers, could decide to just ignore those states in their goals for reelection. However even with this strategy they would be faced with much public concern as to why. In any case it is a very good idea to get as many states on board with complete vetting.