 Elevated mortgage rates have discouraged many home shoppers, extending the nation's home sales slump into its third year. Many economists are forecasting that mortgage rates will ease further in coming months. I'm Alex Fagan. A new initiative to keep an eye on swimmers and sharks off New York City beaches with surveillance drones spurring a backlash from shorebirds. It seems they don't appreciate the drones invading their airspace, so they've been swarming the devices, forcing pilots to ground the drones.