Also this week, the Obama administration named a former Justice Department official as so-called border czar.

VOA: special.2009.04.18

So this week, we describe a natural way to dye wool.

VOA: special.2010.08.02

It may have played a part. But this week, officials told Congress they were still investigating the causes of the so-called flash crash.

VOA: special.2010.05.14

"About a week before this was offered to me I was saying to a friend 'why are they making so many vampire movies?

VOA: standard.2009.11.23

The president had held a so-called jobs summit at the White House this week seeking support from business and union leaders for his economic recovery efforts.

VOA: standard.2009.12.05