Added to the mix of challenges facing the new U.S.and NATO commander are the dynamics of Afghanistan's August presidential election.

VOA: standard.2009.06.15

Bevis says the winter lodge is no more. Children are spread out in their own homes facing all kinds of challenges.

VOA: standard.2009.12.11

It has been a good experience, tough though, a lot of challenges, but I am still getting through.

VOA: standard.2009.10.12

But a shift in emphasis to security issues offers a new set of challenges for the president.

VOA: standard.2010.01.06

His latest book, "Circling the Bases: Essays on the Challenges and Prospects of the Sports Industry" will be published in September.

VOA: special.2010.07.26

He promised that the government will meet what he called "the huge challenges ahead of us."

VOA: special.2010.05.22

"One of the challenges we have is to make the Web a lot easier to use even on the simplest and least expensive mobile phones."

VOA: special.2010.11.08

"Some of our projects have looked at what we call situational impairments, which are challenges to accessibility that are caused more by the situation or context that the computer user is in instead of maybe as we usually think of accessibility as having to do with someone's own physical or cognitive state."

VOA: special.2011.04.18

So we are going to be fighting a huge number of technology challenges. Then there is the whole scale issue.

VOA: standard.2009.09.24

(OMITTED) He recently spoke at a conference on the challenges of diagnosing cancer in Nigeria -- a meeting he helped organize.

VOA: standard.2010.06.16

member nations to assume their share of responsibility for dealing with global challenges including climate change and non proliferation.

VOA: standard.2009.09.23

But President Obama recognized that, for the most part, Republican opposition remains one of the biggest challenges to his plans.

VOA: standard.2009.10.10

One of the greatest challenges will be making enough trained teachers and facilities available in state-run schools, especially in rural areas.

VOA: standard.2010.04.01

And now is the time for all of us to take our share of responsibility for a global response to global challenges."

VOA: standard.2009.09.23