ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: For a singer associated with the wholesome character of Sandy from the movie "Grease", Olivia Newton-John has taken her fair share of risks during more than 40 years in music.<br/> <br />The Australian, touring her native Britain for the first time in 35 years, admits to being terrified at some of the choices she made in a career boasting four Grammy awards and a lead role in the biggest musical movie hit in U.S. history.<br/> <br />One such challenge was the 1981 release of "Physical", a song which some radio stations in the United States banned for raunchy lyrics like: "There's nothing left to talk about/Unless it's horizontally."<br/> <br />The next gamble came with "Grease", the film adaptation of the Broadway musical which would turn her into a household name. Her character's transformation from clean-cut "Sandy 1" to spandex-clad "Sandy 2" out to snare John Travolta's Danny was one that she took into real life, ditching the safety of soft pop and c
