>> stahl: scott borchetta was an executive at another label. >> borchetta: you don't have artists walking biggest record companies and saying, "you know what? i don't think i need another year of development. i'm going to go," all right. >> stahl: she did it, though. >> borchetta: she absolutely did it, at 14. >> stahl: borchetta heard taylor, liked her songs, and offered to sign her as his first artist on a new label he was starting. she took the risk and it paid off. >> borchetta: as of this week, "speak now" has sold five million copies worldwide. >> stahl: "speak now" is her third multi-platinum album, and she's been on a worldwide 76-city tour to promote it. the show is an extravaganza, with aerialists and fireworks on stage... and frantic darting about below, as taylor runs in and out of quick change rooms, and braces herself inside this glass contraption, preparing to be tossed in the air. >> taylor swift: i'm praying that i'm not going to break my leg. i'm like, "dear god, i'm very clumsy. i'm not a gymnast, i'm not graceful. please don't let me break my leg." that's what's going