'Shameless' Is A Cheeky, Jovial Series About An Itchy Addict"Shameless" Is A Cheeky, Jovial Series About An Itchy AddictWhen I think of Showtime's Shameless, I think of siblings. The show revolves around the Gallaghers, a family of angry, irresponsible alcoholics and drug addicts in Chicago. And I think about two of the Gallaghers — Frank (William H. Macy) and Fiona (Emmy Rossum) — because they're the only ones who are completely different from each other. Frank is the drunk, inconsiderate monster, and Fiona is the chirpy, conniving little sister.Over the years, the Gallaghers have gone through