“If they could not prove adultery or extreme cruelty, Nina's attorneys had an alternate strategy available. Rhode Island was unique in allowing divorce based upon other, more ambiguous grounds, as well...[as] an omnibus clause in the state's legal code authorized divorce based upon..."gross misbehavior and wickedness in either of the parties repugnant to and inconsistent with the marriage contract"...the relative vagueness of the terms "gross misbehavior and wickedness" left room for interpretation by Rhode Island judges. Therefore, it was crucial NIna's attorneys prove she had legitimate standing to file for divorce in Rhode Island.”