Grey's Anatomy has never been afraid to introduce new characters, but Season 9’s newest interns have been rubbing some fans the wrong way. After killing off fan favorites Lexie (Chyler Leigh) and Mark (Eric Dane), Shonda Rhimes and co. brought in a whole class of newbies we were expected to warm up to. It didn't entirely work. We like some of the interns (Shane [Gaus Charles] can definitely stick around, and not just because he's eye candy), but the longer the season goes on, the more...