On Tuesday,the Securities and Exchange Commission announced new "circuit breakers" to support orderly trading.

VOA: special.2010.05.21

But on the nordic skiing World Cup circuit, the two men have brought the United States to a new prominence.

VOA: standard.2010.01.31

Lead surgeon Dr.Antonio Alcaraz instructs fellow surgeons and students watching the procedure through closed-circuit television.

VOA: standard.2010.05.30

The city has more than 10,000 closed circuit security cameras, including in the transportation system.

VOA: standard.2010.04.01

Working with the Michigan chapter of the environmental group the Sierra Club, she now presents state authorities with data several times a week along a 200-kilometer circuit.

VOA: standard.2010.05.06

It would be weeks before he could catch another flight home, but the delay gave him time to hike the Annapurna Circuit, a 14-day trek through the Himalayas.

VOA: standard.2009.12.13

Leaving Texas for the bright lights of Chicago, Miller made a name for himself on the city's electrifying blues circuit, playing in groups led by Howlin' Wolf, Muddy Waters and Buddy Guy.

VOA: standard.2010.06.27