July 22 (UPI) -- Britain's Channel 4 announced it will cast a spotlight on the 20-year career of pop star Taylor Swift with a two-part documentary series from Sandpaper Films. The documentary, which currently has the working title Taylor , will examine how Swift was able to "transcend the realm of pop star to become a cultural icon like no other," the announcement said. The documentary will feature interviews with industry figures, commentators and fans, as well as offer glimpses at rare