Certainly it was a worthy challenge!

Forced repatriation may not be the answer either, but is the United States just an innocent bystander in this "worthy challenge"?

It was a worthy challenge and I embraced it with all my heart.

Here is a worthy challenge for an international group given to high-minded lecturing on human rights.

Financial success was proof of a certain sort of excellence, but there remained worthy challenges outside the marketplace as well.

In all fairness, you've proved a worthy challenge.

It's a worthy challenge and I'm excited to get started.

A worthy challenge for even the most enthusiastic players, this course provides a new experience every time you play.

Mikhail Gorbachev faces a challenge entirely worthy of his abilities as a master politician.

"Show me nonetheless, that you are a worthy challenge?"