These devices were not always helpful since they easily became disconnected.

VOA: special.2009.07.07

And since it's a global problem,he adds, it will always be helpful for cities around the world to exchange ideas and experiences to benefit from each other's innovative solutions.

VOA: standard.2010.07.26

"I think it's only been since the Iranian Revolution that the United States has been the 'Great Satan.' And there was always a suspicion that the British were behind the scenes, even if the United States was more upfront involved in some kind of activity that was seen to counter Iranian national interests,".

VOA: standard.2009.07.02