I remember as a boy when the conversation on civil rights was won in the South. I remember a time when one of my friends made a racist joke and another said, 'Hey man, we don't go for that anymore.'

There are many who would much prefer that the word 'climate' never be mentioned and that the issue be eliminated from our national conversation.

And nobody is talking about taking guns away from hunters or sportsmen or banning all guns. Nobody is talking about that.

Well, the title "An Inconvenient Truth" is a way of highlighting the reasons why some people, including the president, don't seem to accept the truth.

The constant drive for campaign dollars has distorted decision-making in Washington, DC, to the point where our systems can no longer effectively address complex, long-term problems like the climate crisis. Which brings me to my other major concern - the short-term focus of capitalism. It distorts the allocation of resources and the decision-making processes of companies.

I flew on Air Force Two for eight years, and now I have to take off my shoes to get on an aeroplane.

It is just human nature to take time to connect the dots, I know that. But I also know that there can be a day of reckoning when you wish you had connected the dots more quickly.