The blog is called Docs Interactive. Which is the blog of the arts org Docs In Progress. More about Docs In Progress:
"Docs In Progress is a non-profit arts organization which supports the development of independent documentaries and educates filmmakers and the public about documentary. It was founded by Washington DC-area filmmakers Adele Schmidt (Producer/Editor, Journey Films) and Erica Ginsberg (Producer/Director, CineCitizen Media)."
Check out Docs Interactive blog here.