While Iraq continues to face significant challenges it is a middle income country with huge potential.
Parents of children with disabilities also face significant financial challenges.
But getting them to do so in a recession is a significant challenge.
"It will leave them with a significant challenge, to imagine America without freedom."
You will have to find your own way through, and it might turn out to be a significant challenge.
The company has yet to turn a profit and could face significant legal challenges.
"New York can represent significant challenges from a life style point of view," he said.
At the same time, it faces a number of significant challenges.
"It pointed out that there were significant challenges to all levels of government."
The series attempts to identify the Earth's most significant environmental challenges.