Join America taught English, an understanding of the U.S. Constitution, that the Bill of Rights is the ultimate insurance policy for a citizen, and that being a citizen is not an entitlement. And we also taught a bit of capitalism.

Understanding the long, sordid history of gun control in America is key to understanding the dangers of disarming.

After the Civil War, when blacks fought along whites to secure freedom for all, southern states enacted Black Codes, laws that restricted the civil rights and liberties of blacks. Central to the enforcement of these laws were the stiff penalties for blacks possessing firearms.

We must stop trying to protect our planet from every imaginable, exaggerated or imaginary risk. And we must stop trying to protect it on the backs, and the graves, of the nation's and world's most powerless and impoverished people.

America has the greatest military in the world, and it's up to our leaders to set the bar for what a 21st century military culture of innovation with transparent, collaborative leadership looks like.

We really need to move to a bit of a post-partisan world where we actually start solving problems and stop kind of living in a country where the political leaders act like half the country is entirely wrong about everything they believe and increasingly try to pit American against American.

I'm very much a leader in a lot of the work that I do or that I've done in my career.

When I arrived at Juventus as the manager in 1999, Antonio Conte was the captain of the club, an Italy international, and a player who had a lot of influence in the dressing room - and when I needed a leader in the team, he was the obvious choice.