Bava Metzia?

From a HuffPo article called "Social Justice and Orthodox Judaism":

Twelve excited, idealistic college students are gathered around a long conference table, discussing a text about worker's rights. A closer look, however, shows that this group is different. All the males at the table wear kippot (skullcaps), and several of the women sport long sleeves and skirts despite the 90-degree weather. The text they are discussing is not a contemporary justice article; it is over 1000 years old and in Aramaic.