‘The Last Days of Ptolemy Grey’ review: Samuel L. Jackson stars in a tale of secrets and buried treasure

For a conspicuously busy superstar such as Samuel L. Jackson, the six-part Apple TV+ adaptation of Walter Mosley’s “The Last Days of Ptolemy Grey” demanded his largest, deepest commitment to a role in a long time. At some point, you either glide or you ask yourself “What’s in my wallet?” and risk a thing or two. What’s the point of money gigs and gold-plated