Major retailers like Costco and Walmart often act as indicators of the overall economy, because they can reveal trends for what — and if — people are buying.

Protests continue today in the Tunisian capitol, Tunis. Troops fired water cannons and tear gas at demonstrators during the second month of unrest….

I did a story about Costco's decision to lease out space at a couple malls around the country. (Listen here.) It got me wondering about other, l…