As the military's highest-ranking officer and a crucial member of the president's revamped national security team, General Dempsey would face a complex and consequential set of challenges against the backdrop of both rapid change abroad and intensive political pressures at home: how fast to withdraw from Afghanistan, how to reshape the military and how to cope with an era of fiscal austerity.
As Amgen's profits soared, the company faced a complex legal challenge.
And whereas web designers could build on established metaphors of human-computer interaction (HCI windows, icons, and so on designers of location-based services face a more complex challenge.
The poll, an unusually extensive effort to measure the political and social attitudes of those who call themselves Hispanic, revealed a complex challenge facing both parties as they battle to command the support of a segment of the electorate that is on the verge of rivaling African-Americans in numbers.
The competition that was postponed in 2001 has never seemed closer at hand, and the U.S. faces a more complex challenge than simply curtailing the rise of a rival.
But Mr. Riordan is facing a more complex challenge because California is so huge and diverse, and it is rapidly growing younger and more Hispanic.
Antimicrobial resistance is a complex challenge we all face.
Considering the growing number of Asian immigrants, California faces an especially complex challenge among its foreign-born residents due to language barrier, lack of access or understanding the healthcare system, cultural beliefs, denial or unawareness of increased risk, social stigma, concern about cost and results.
Polls published today affirmed that Prime Minister Ariel Sharon of Israel is likely to retain his post in elections on Tuesday, and then to face the complex challenge of assembling a durable coalition from a fragmented Parliament.
