Photo Illustration by Elizabeth Brockway/The Daily Beast/GettyHave you been watching America’s messiest reality show? The latest episodes have featured backstabbing, power struggles, post-divorce histrionics, salacious gossip, cattiness, and bitchy, self-righteous to-camera monologues. No, I’m not talking about the new season of The Real Housewives of New York. I’m talking about Congress.In the words of an erstwhile Hill denizen, “Congress has always been a little stupid.”Not long ago, former Re