The failed terror bomb plot constitutes Mr.Obama's most serious national security test to date, and the president has been quick to acknowledge that there is plenty of room for improvement.

VOA: standard.2010.01.06

"If you have the opportunity to get tested for HIV, and there are so many different places that you can test for free, why wouldn't someone want to find out more information about their health."

VOA: standard.2010.07.23

Some want an independent review. And the trial's researchers, like Dr.Nelson Michael, of the Walter Reed Institute of Research in the United States, say it's unclear what difference the findings will make for areas like Africa where rates of HIV/AIDS are much higher than among the test population and where there are many strains of the virus.

VOA: standard.2009.10.20