Will she chart new territory on the charts? Photo: Kevin Winter/TAS24/Getty Images She calls herself an English teacher, but maybe Taylor Swift should rebrand as an econ prof: Show(girl) business is booming. Her latest album, The Life of a Showgirl , has already broken multiple sales and streaming records since it dropped on October 3. Swift next seems poised to say “Hello” to Adele’s record for most album sales in a week. Below, all the milestones that she’s approaching or has already hit with