Michael J. Fox
TV Picks: 'Orphan Black,' 'The Good Wife,' David Letterman
TV Picks: 'Orphan Black,' 'The Good Wife,' David Letterman

'Orphan Black.' Clone club members, rejoice; the second season of BBC America's surprise sci-fi hit is back, with a star that continues to dazzle in her ability to inhabit multiple characters and story lines that grow more thrilling and provocative with each episode. While much of the first season was devoted to establishing the complicated premise -- a young, brash grifter named Sarah (Tatiana Maslany) discovers that she is one of a group of clones created for mysterious reasons and in danger on many fronts--the second season digs deeper into the meaning, both actual and philosophical, of the experiment.  Newcomers to the series would be best served catching up via Amazon Prime because...