We can never fully repay the debt of our proud nation to those who have laid down their lives for our country. The best we can do is honor their memory, ensure that their sacrifice is not in vain, and help provide for their families.

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

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.

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

I wouldn't trust any evidence that the Russians suggest that they could provide.

I'm pleased the administration is endorsing the need for legislation dealing with the chemical sector. In the past, the administration's position has been ambiguous.

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.