U ber has big plans. The ride-hailing service wants to ferry the world around in self-driving cars and on electric scooters, deliver our takeouts and groceries by drone, and ship freight via robot trucks. But first Uber needs to answer a big question: will it ever make any money? Uber went public in May in one of the most anticipated initial public offerings in years. To say it stalled would be an understatement. On Wednesday Uber releases its second set of earnings as a public company. The update comes after the firm announced it was cutting jobs as it tries to get a grip on its runaway spending. Many of our teams are too big, which creates overlapping work, makes for unclear decision owners, and can lead to mediocre results. In June, Khosrowshahi let go two members of his executive team: Barney Harford, the chief operating officer, and Rebecca Messina, the chief marketing officer. But the question of whether Uber is a company with a bad business model, or a company with bad managemen...