When Uber and Lyft returned to Las Vegas last month, the companies were fixed on one prize: passengers hailing rides to and from the Strip. But hotels along Las Vegas Boulevard already had longstanding set-ups geared to taxis. Since launching, however, the companies appear to have ironed out plans with a majority of Strip resorts. Request a ride from Lyft at Caesars Palace, and the app provides directions for how to do it. The staging area ...