In a heartwarming scenario whose only logical conclusion involves Kirstie Alley, Leah Remini, Greta Van Susteren and Jenna Elfman in pink satin jackets singing "We Go Together" on a fairground set up at the Hollywood Scientology Center, Jeff Conaway has found an unlikely guardian angel in the fight against his long list of powder- and pill-based demons: his Grease co-star John Travolta. Inside Edition reports: