But,as economist Andrew Zimbalist points out, they are the effect of a free market.

VOA: special.2010.07.26

We're all free agents. If I wanted to work as a professor, I could send out notes to a hundred different universities and say 'Does anyone want to hire me?'

VOA: special.2010.07.26

"That means protecting the rights of Egypt's citizens, lifting the emergency law, revising the constitution and other laws to make this change irreversible and laying out a clear path to elections that are fair and free.

VOA: special.2011.02.12

The two leaders will meet in the Czech capital, where,one year earlier, President Obama laid out his vision of a nuclear-free world.

VOA: standard.2010.04.04

Klug was on the transplant waiting list for six years, and during that time he was out care-free, riding his snowboard, playing and training hard.

VOA: standard.2010.02.26

"If you have the opportunity to get tested for HIV, and there are so many different places that you can test for free, why wouldn't someone want to find out more information about their health."

VOA: standard.2010.07.23