For amateur golfers, I think one of the biggest mistakes is to model their play on professionals.

If you're trading individual securities, you're almost certainly making a mistake. Because most professional managers can't outperform their benchmarks, and there's little reason to think that individuals can.

Countries all around the world, starting with the U.K., have started behavioural insight teams, often referred to as nudge units. And they seem to be doing lots of good.

There can be legal conflicts over whether registering intent is enough to qualify you as an organ donor or whether a doctor must still ask your family's permission.

Immigration is as much about the American experience and the values we share, and a lot more about economics than it is about politics.

While the debate over banned books usually seems to happen just outside the gates of government, it takes on a new danger and urgency when legislators get involved. Their actions cause voices to be silenced both inside and outside the books. That's un-American.

Individual people shouldn't be fearful, because by and large our government, the federal government - people always talk; obviously, they don't trust the feds, whatever. The federal government and local communities have done a pretty good job at keeping us safe.

From my quarter-a-century experience as a fighter for democracy, there is never a final victory for democracy. It is always a struggle in every generation, and you have to take up the course of time and time again.