For 27-year-old Dubai mogul Abbas Sajwani, his 348-foot pleasure vessel isn’t just a floating trophy, it’s a palatial office from which he runs his empire. It’s two days before the Monaco Grand Prix in early June, and Abbas Sajwani emerges from a golden elevator onto the main deck of his 348-foot superyacht, Amadea, in a white linen shirt and gray pants. He’s anchored the vessel—which he bought from the... [9593 chars]