Almost 24 million children - one in three - are likely growing up without their father involved in their lives.

I worry when athletes are simply used by their universities to produce revenue, to make money for them, nothing to show at the back end. I grew up with a lot of players who had very, very tough lives after the ball started bouncing for them. And that's why I'm going to continue to fight.

Young people know how important it is for dads to be involved in their lives. As I travel the country and talk with students, some of them tell me that their lives would be totally different if their father was around.

Whether it's in an inner-city school or a rural community, I want those students to have a chance to take A.P. biology and A.P. physics and marine biology.

The exciting thing about the current emergence of bitcoin 2.0 applications is that you don't have to know anything about bitcoin or how the blockchain works to get a lot of utility and value out of the technology.

One of the annoyances of working for The Guardian is that, obsessed as the organisation is with its digital and social media presence and its own sense of singular importance, editors would militantly try to edit your tweets.

The demographic weight of countries such as China and India exercise a massive pressure on our wages and salaries. They have accomplished massive technological advances and the revolution in information technology has reduced the costs of transport.

To be clear, people are the most important part of any classroom. If given the choice between a great teacher and the world's most advanced education technology, I'd pick the teacher any day for my own children.