Still,Mr.Obama's critics say his trip to China will be a test of whether the U.S and China can develop better ties, and whether American acquiescence on some issues will produce concrete results on others.

VOA: standard.2009.11.10

Some are philosophically based. Some do work for the government on government contracts addressing particular issues.

VOA: special.2010.09.27

"I think it's fair to say that the American people are frustrated with the lack of progress on some key issues."

VOA: standard.2010.02.09

"There remain concerns to some on the wider issues of the Lockerbie atrocity,"

VOA: standard.2009.08.24

Clinton said it is "old thinking" to argue that because Washington and Moscow differ on some regional issues, including Georgia, they should not try to address matters of "overwhelming importance" like arms control.

VOA: standard.2009.05.07

Clinton said the two countries, which had frosty relations during the Cold War era and beyond, still differ on some key issues but that their new partnership has the potential to be a "signature accomplishment" of the two governments.

VOA: standard.2009.07.20

He says the Obama administration's "It's a presumption that these are obstacles to cooperation, which in fact I think China has enough of their own interests and equities in for example the economic situation to cooperate irrespective of what we do on some of these other issues,".

VOA: standard.2009.11.10