When Scrooge buys “The Doom Diamond,” he and the Beagles get jinxed in a Carl Barks tale reprinted for the first time since 1976! Gyro struggles “To Supply a Demand” in a story by Kari Korhonen. Then, Launchpad and Donald team up in the New Year’s Eve adventure “Never Say Never.” Finally Scrooge proves he’s “Smarter Than the Toughies” in a new opus by Lars Jensen and Daniel Branca.