The Old Man & the Gun marks Robert Redford’s retirement from acting after more than 50 years in the business. Or maybe it doesn’t. Either way, Redford’s co-star in director David Lowery’s pleasantly ramshackle crime caper, Sissy Spacek, wants you to know that she’s not going anywhere. Speaking with Yahoo Entertainment recently, the 68-year-old star of such stone-cold cinematic classics as Badlands, Carrie, and Hot Rod (yes, Hot Rod) made it clear that retirement couldn’t be further from her m...