What we've been hearing over and over again is that the reason Republicans are opposed to the surtax is because of the concern of its impact on job creation. Well, if you carve out employers, you take away that argument.

If you don't know what you want, you'll probably get what somebody else wants.

An expert is anyone who can already do what we want to do.

Leaders are like gardeners ... As leaders we are not only responsible for harvesting our own success but for cultivating the success of the next generation.

When we're impatient with beginners around us, we would do well to sign up for a class in scuba diving, ballroom dancing or anything else totally brand-new for us.

It is vital that our work be grounded in the evidence and thus accepted by the public.

Like the canary in the coal mine, the climate changes already evident in the Arctic are a call to action.