Adele says Sarah Palin is directly responsible for her career as a singer. Well, kind of. Adele recounted on a BBC special Friday how the former Alaska governor and GOP candidate for vice president made an appearance on "Saturday Night Live" in October, 2008 during the height of the presidential campaign when Adele, then still relatively unknown, was the show's musical guest. That was the episode where Palin and Tina Fey, playing Sarah Palin, famously acknowledged one another during the show's cold opening. "It was one of the most watched SNLs ever and then it was two weeks before the...