Miller examined this difficult period in American history by setting his play at another difficult time.

VOA: special.2009.11.29

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

"This is at a time when we are working to relaunch negotiations and we believe that these actions make it more difficult for our efforts to succeed.

VOA: standard.2009.11.17