"It's a lot of trial and error. It's a process.

VOA: special.2009.05.18

"This was a human error which should never have occurred, and we are going to do everything possible to see that it is never repeated."

VOA: standard.2010.01.23

"He is at 50 or below in most surveys, and that is mainly because of the economy, which continues to be stubbornly weak, the unemployment rate is very high and still in double-digits, and as a consequence Obama does not have much margin for error,".

VOA: standard.2010.01.06