The link is to an audio/visual slideshow narrated by a former Lubavitcher who talks about her feelings of leaving the frum world of Crown Heights. It's part of a series from the New York Times called 'One In 8 Million ', which briefly profiles all sorts of different kinds of people that are living in New York City.
Make sure to also see the comment thread on the piece, which has many additional worthwhile perspectives.
If anyone is interested in meeting Rivkah, I happen to know of an art exhibition that she will be putting on this week. You can email me privately for details.