LISA MARIE PRESLEY ā rocked by a heart-numbing emotional meltdown ā turned to Scientology pal JOHN TRAVOLTA to help get her life back on track. The 43-year-old daughter of Elvis Presley buckled under the pressure of trying to revive her music career while risking her health to lose weight plus the stress of raising her 2-year-old twin girls Finley and Harper, insiders say. āAll of Lisa Marieās problems came to a head in a perfect storm of stress ā from readying her new CD to her never-ending battle to stay thin and the constant deĀmands of the twins,ā a family friend told The ENQUIRER. āAfter Elvisā death, sheād vowed to make her daddy proud of her as a performer. But her musical efforts have fallĀen short.ā About two weeks ago, she crumpled emoĀtionally over her music comeĀback, said the source. āI think Lisa Marie probĀably knows this album with producer T Bone Burnett is really her last chance for a showbiz hit,ā the friend confided. āItās been six years since her...