CNN — The fact that producers Steven Spielberg, Tom Hanks and Gary Goetzman complete their World War II trilogy with “Masters of the Air” on Apple TV+, after doing “Band of Brothers” and “The Pacific” for HBO, is surely a sign of the streaming times. Yet HBO might have got the better of this deal, as this latest nine-part series – while well cast and undeniably sweeping in scale – seldom gets off the ground, dramatically speaking. Indeed, despite flashy accessories, from aerial combat sequences to a cast populated by rising stars, the early episodes of this handsomely produced series...