Trains are so back! Florida's Brightline, the first privately owned high-speed passenger train service in the United States, will launch today, with trains running between Miami and Orlando at speeds of up to 125 mph. It's not London to Paris but hey, it's still pretty neat! The trip will take 3.5-hours, which is about 30 minutes less than the average drive time. One-way tickets will start at $79 for...