President GEORGE W. BUSH: I am--first I'm very concerned about cloning.

NPR: Slate's Human Nature: S. Korean Stem Cell Advance

Despite this tremendous technological progress, I was and still am very concerned about the future that my children are inheriting.

WHITEHOUSE: The Joy of Sustainability

It is only about the medium term that I am concerned, very concerned.

FORBES: Global Prosperity Hiding Behind Government Bureaucracy

I, like many others, am very concerned about the poor image of the pharmaceutical industry.

FORBES: An Open Letter To The PhRMA CEO On Pharma's Image

"I don't know how high it is going to get but I know 200 of my constituents are flooded out and I am very concerned about the long-term effects of structural damage, " he said.

BBC: Britain endures the deluge