A new season of "SNL" is set to begin tonight. Season 39 to be exact. In commemoration of this fact, the Daily Guru's Michael Springer came out with a story detailing one of the defining moments in Elvis Costello’s career as well as a notorious incident in one of the first five legendary seasons of "Saturday Night Live." It happened the night of December 17, 1977. Originally slated to appear were The Sex Pistols. When they had to cancel (visa issues), Lorne Michaels tapped a 23-year-old Elvis Costello an his band, The Attraction, to appear instead. Costello's debut album, My...