For now, the sole working route to Russia's Black Sea coast runs through Dagestan and Chechnya.

ECONOMIST: The dark side of the Caucasus

The challenge is for all those working with children to come together and find a sole objective.

UNESCO: WORLDWIDE

Microlending--disbursing working capital in tiny doses to small businesses and sole proprietors--is now all the rage at the World Bank and other antipoverty agencies.

FORBES: Waking Dead Capital

Second, he had almost no savings for an emergency, despite being practically the sole breadwinner of his family (his wife earned a very meager salary working part-time).

FORBES: Does It Ever Make Sense to Reduce Your 401(k) Contributions?

Amelia Davis, a photographer who worked as Marshall's assistant, is the sole owner of Jim Marshall Photography. (Marshall died in 2010.) Working with Marshall to archive his work allowed her to listen to Marshall's many stories and delve into his memories.

CNN: STORY HIGHLIGHTS