LAS VEGAS — It’s not the self-driving cars, flying cars or even the dish-washing robots that stick out as the most transformative innovation at this year’s Consumer Electronics Show: It’s the wearable gadgets that can read your mind. There’s a growing category of companies focused on the “Brain-Computer Interface.” These devices can record brain signals from sensors on the scalp …

I love to travel. Seeing the world is about as close as I come to a vice, maybe an obsession—almost any time to any place by any available means of transportation. I used to tell people, “Offer me a bus ticket to Bakersfield and I’m your guy.” It’s probably a result of my upbringing. I won’t bore you with details …