The message from Wal-Mart today to the rest of the business community is there need not be any conflict between the environment and the economy. We will find the way not only to reconcile (those), but to find new profits and new opportunities as we do the right thing.

I doubt nuclear power will play a much larger role than it does now.

Making consumer choices that reward eco-friendly products and companies is a great way to start.

Where solar energy is concerned - and wind energy and battery storage and electric vehicles and efficiency technologies - that is what we are now seeing. So, yes, I'm very optimistic, but anyone who works on the climate crisis has an internal struggle between hope and despair. I won't deny that, but hope has always prevailed in my outlook.

David Agus is one of America's great doctors and medical researchers, a man dedicated to improving the health of as many people as he can. Written in a style and format that will truly engage readers, The End of Illness presents a dramatic, new way of thinking about our own health-a way that could lead to greatly improving the quality of life for millions, starting right now.

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.

George Bush taking credit for the wall coming down is like the rooster taking credit for the sun rising.