In honor of the news that ABC is letting go of Dr. Erica Hahn on “Grey’s Anatomy,” ending her budding romance with Dr. Callie Torres – Laura “Dish of Salt” Saltman has come up with a list of the 15 most awkward couples on TV right now. Dr. Erica Hahn and Dr. Calle Torres (“Grey’s Anatomy”) lead us off - Unfortunately, Erica and Calle’s friendship-turned-romance was a disaster from the start. The whole storyline just took us into TMSI (too much sexual information) territory, which turned fans off rather than on. “Grey’s” should look at how the romance is playing out between Kevin Walker and his love, Scotty, on “Brothers and Sisters” for how to portray a proper gay couple. And speaking of “Grey’s Anatomy” let me also mention two other awkward couples…