This week, Fred Fiske considers discount membership clubs, where "grazing" may be delectable but the bulk sizes can get out of hand.

Commentator Jenna Fournel, from the D.C.-based Center for Inspired Teaching, reflects on how a teacher in a high school summer program turned her into an artist.

This week, Fiske considers dog intelligence, including how it's been studied and what both scientists and dogs have learned.

An estimated one in four women in the United States has experienced domestic violence, usually at the hands of a current or former partner. For decades, community leaders have tried to understand what keeps victims trapped in an abusive cycle, and when violence hit home, commentator Beza Mesfin also struggled with that question.

Today we begin a new WAMU series on lifelong learning. Each Wednesday we'll have a personal story about a powerful learning experience -- some in and some out of the classroom. Our first story comes from R. Dwayne Betts, a writer and poet, who grew up in Suitland, Md., and tells us that powerful learning can happen in the most unexpected places.

Rising oil prices and new concerns about nuclear power are prompting a lot of people to reevaluate our sources of energy. Commentator Mike Tidwell, executive director of the Chesapeake Climate Action Network, is urging lawmakers in Maryland to consider the potential of offshore wind farms.