FINLAY LEWIS – They could caucus in a phone booth. They are known as “realists,†and their default position on questions of foreign policy and national security is one of skepticism about the value of interventions abroad and of respect for privacy at home. In a debate largely being litigated within the ranks of the Republican Party on Capitol Hill, the realists don’t have a prayer of prevailing in an up-or-down vote against the neoconservative wing of the party, proponents of an interventionist ethos to embed American values in lands far removed from domestic shores and traditions.