What track needs to figure out: how to engage us between the races. Instead, the entire off-the-track conversation is about doping. This is how you kill a sport.

In a country that never wins anything: in Canada, if one of our athletes so much as makes the final in a World Championship, we declare a national holiday.

An aggressive drug-testing program would cut down on certain abuses, but its never going to catch everyone - or even close to everyone.

The act of facing overwhelming odds produces greatness and beauty.

Do I think that American democracy ends if Trump is president? No! I think, there are plenty of checks and balances in place. I think he would do some damage to the country but we would recover. The office of the presidency and American democratic institutions are a lot stronger than one person. So if he wins, our job is just to keep the office strong, right? And hope he'll be replaced by something better!

If you look at the careers of great entrepreneurs and you look at the moment they took their plunge, the plunge is rarely a great financial or material risk, it’s a social risk. At the moment they started their new businesses, everyone around them said ‘you’re an idiot’.

Living a long life, the conventional wisdom at the time said, depended to a great extent on who we were-that is, our genes. It depended on the decisions we made-on what we chose to eat, and how much we chose to exercise, and how effectively we were treated by the medical system. No one was used to thinking about health in terms of community.