The Chronicle of Philanthropy has long kept tabs on charitable giving, but recently the publication unveiled a new ranking, which reveals that how we give and who is giving has been radically upended in America.

Stacy Palmer, the editor of the Chronicle of Philanthropy, discusses the current trends in giving and what they reveal about our country - including the growing economic divide in the wake of the Great Recession. And she offers some advice about how to choose causes that make a real difference.