"After many years of trying to figure out what is going on with the genetic cause of depression, we're still not there yet."

VOA: special.2009.06.24

Yet the report points out that while the AIDS epidemic is changing, prevention programs are not.

VOA: special.2009.12.02

Russian Railways president, Vladimir Yakunin, says that the cause of the derailment has yet to be determined, but sabotage has not been ruled out.

VOA: standard.2009.11.27

And yet,they are concerned that the debate as it is playing out is not going to get costs under control and maybe it will limit their choices someway, so I think there is just a kind of unease."

VOA: standard.2009.07.31