YouTube Video Project: Horses: sports, culture, and slaughter, in America. More information is on the Advocacy page.
Not too current, but I wrote a book: Greatness and Goodness: Barbaro and His Legacy. (published 2011)
Alex Brown Racing came to prominence as a site that provided updates on 2006 Derby winner Barbaro, during his time at the New Bolton Center. That episode evolved into an online community that supports horse welfare issues (discussion board).