Peruvian chicken in the D.C. metro area is just about as touchy a subject as it gets. Religious ponderings and political debates can expect to take a back seat when it comes to defending rotisserie chicken loyalties. Everyone has their favorite, which is why the opinion herein is bound to receive adulation from some and harsh criticism from others. That being said, I am officially declaring my allegiance to El Pollo Rico. Sure, Super Pollo…