A huge amount of success in life comes from learning as a child how to make good habits. It's good to help kids understand that when they do certain things habitually, they're reinforcing patterns.

Consumer habits are key to understanding how to launch a product.

General Atomics, the progenitor of General Atomics Aeronautical Systems, started life in 1955 when a major military contractor, General Dynamics, feared that the military hardware market might dry up. It began exploring peacetime uses of atomic energy, but abandoned the effort when cold-war military spending took off.

In 1940, Germany toppled France in 20 days, and the panzerdivizion symbolized war's shift from drawn-out conflicts using massive fortifications to rapid-fire engagements built around manned, motorized armor.

As far as fitness is concerned, you have to enjoy it, do good exercises, and integrate them into your tennis practice. The preparation for the season is as crucial as doing good blocks when switching from one surface to another.

I think, in general, we've created an environment where we've done away with the sort of day-to-day training that's necessary, including crisis intervention, behavioral health training - the kinds of things that we know that both protect officers and the community - and moved away to a highly military, advanced SWAT team mentality.

I never lifted a weight in my life. Why am I going to do steroids? That's not going to do me any good. We didn't have any weights in our clubhouse. We had one exercise bike and that was for the guy who tweaked his hamstring. And that thing didn't even work half the time.

It's very tricky to throw a morally flexible character onto the screen and have an audience empathize. It's always an exercise in restraint.