I'm guessing it's one of those "enlightened" nuns who've kicked the habit

Nun Embezzles $850,000 from New York college.

Yep, it was a good guess! She's part of a "dynamic union" that is trying to "speak to our contemporary society and be a positive influence for change." In other words, the Obama campaign.

Compare the traditional habit to the getup of the current "Executive Director" of the federation.