"And we know that terrorists detained at Guantanamo and released have gone back to the fight.

VOA: standard.2009.05.09

"We understand laws. And we know that people are innocent until proven otherwise.

VOA: standard.2009.07.07

"We know that surface use of dispersants decreases the environmental risk to shorelines and organisms at the surface and we know that dispersants break down over weeks rather than remaining for several years as untreated oil might."

VOA: standard.2010.05.18

"And we know that in India, and in Africa, in Uganda and Tanzania, there are lots of farmers who've met all the social and environmental standards to be able to sell the tea as fair-trade, but the companies are still dragging their heels, they're still not buying it on fair-trade terms."

VOA: standard.2010.03.10

Now we know that genetics makes this connection even deeper and we are linked to our ancestors by DNA.

VOA: special.2009.12.01

But we do know that the violence between the Earps and the Cowboys did not end at the OK Corral.

VOA: special.2010.02.15

Now that we know about grapes and geography, we have some important tools for understanding the label on a bottle of wine.

VOA: special.2010.10.13

And at the time we were living in New Mexico and we didn't know anybody that was Hailey.

VOA: special.2009.07.06

You know, we dig so much in music. And you know so much about all these cats that plays good music, you know."

VOA: special.2009.01.30

"We know that we want kids to be learning hands-on and make discoveries in their own backyard.

VOA: special.2011.07.11

"The court of appeals is where policy is made, and I know this is on tape and I should never say that because we don't make law.I know,I know.

VOA: special.2009.05.30

But I also know that we've got a long way to go to fully restore our economy and recover from what's been the longest and deepest downturn since the Great Depression."

VOA: special.2009.10.30

To those who cling to power through corruption and deceit and silencing of dissent, know that you are on the wrong side of history, but that we will extend a hand if you are willing to unclench your fist."

VOA: special.2009.01.24

"To those who cling to power through corruption and deceit, and the silencing of dissent,know that you are on the wrong side of history -- but that we will extend a hand if you are willing to unclench your fist."

VOA: special.2010.09.25