In fact,much of what historians know about the president's time at the house is from stories told by those soldiers.

VOA: special.2010.05.10

So what might those be? Political scientist John McGlennon at the College of William and Mary in Virginia says it is too soon to know.

VOA: special.2010.03.06

"We'll need to wait for all the girls to enter puberty before we have a good grasp on what the contribution is of those environmental chemicals."

VOA: special.2010.08.18

"What we found is that,in fact, even after measuring those additional biomarkers that there wasn't a great deal of benefit in terms of understanding who was more likely to develop heart disease" Doctor Wang says they did identify some combinations of biomarkers that improved predictions of heart attacks and strokes.

VOA: special.2009.07.15

"What is necessary for those elections is to have an inclusive dialogue with all political forces in the country.

VOA: standard.2009.05.25

"We need to do a much better job of making sure that what's in those vending machines is very consistent.

VOA: standard.2010.03.09

He said those institutions functioned as they should and that is what has led to the runoff vote.

VOA: standard.2009.10.20

"What happens when you get close to an anniversary is suddenly those images are back on TV.

VOA: standard.2010.07.01

"What you've got here is a legal issue and a political issue and both of those are very much in play at the present time,".

VOA: standard.2010.01.30

What's going on now is helping less developed countries like those in East Africa to come up to speed and be prepared for this sort of event,"

VOA: standard.2009.04.28

"What we are seeing China is that wages are gradually converging to those levels in the U.S.and Europe, but this convergence is going to take a very long time."

VOA: standard.2010.06.24

The effort has been to squeeze the Taliban out of certain areas and the challenge now is to hold those areas and maintain dominance of those areas that is surely what the whole operation has been, has been all about,".

VOA: standard.2009.07.27

"And the way that we make up the difference for what those uninsured patients cost in terms of the cost of their care, is that we have to utilize the excess of revenues over expenses or the profits we generate from patients who have insurance."

VOA: standard.2010.02.25

"As you're hearing my words as I'm speaking, your brain is processing those words, and we think analogous to what's going on in the bird, there's genes in particular areas of your brain, that are being expressed very rapidly or decreased very rapidly to allow you to process that information."

VOA: standard.2010.04.05