By keeping my hand in that, it's the way I keep learning. The main way you learn in medicine is by practicing and working with patients.

To be clear, I worry as much about the impact of the Internet as anyone else. I worry about shortening attention spans, the physical cost of sedentary 'surfing' and the potential for coarsening discourse as millions of web pages compete for attention by appealing to our base instincts.

Gardening is not trivial. If you believe that it is, closely examine why you feel that way. You may discover that this attitude has been forced upon you by mass media and the crass culture it creates and maintains. The fact is, gardening is just the opposite - it is, or should be, a central, basic expression of human life.

In the world at large, people are rewarded or punished in ways that are often utterly random. In the garden, cause and effect, labor and reward, are re-coupled. Gardening makes sense in a senseless world. By extension, then, the more gardens in the world, the more justice, the more sense is created.

I've gone to China, bought a manufacturing company and moved it to America. Now China wants to buy back some of that new technology from me. That's a great story for America.

If you’ve spent any time on social media, you may have had the misfortune of coming up against a cowardly troll who hides behind a Twitter handle or Facebook page to criticize or attack you for any number of grievances, real or perceived."

People are naming it the Third Wave, the Information Age, etc. but I would say those are basically technological descriptions, and this next shift is not about technology - although obviously it will be influenced and in some cases expressed by technologies.

Now, as far as I know, nobody has ever put up the U.S.'s nuclear missiles on the Internet. I mean, it's not something I've heard about.