Personal work that lands assigments: How Dustin Cohen Capitalized on the viral sucess of his personal video project on Brooklyn, New York-based artisans. Picture Story: On assigments for MSNBC.com in coal country, Peter Van Agtmael had to work around stereotypes of Appalachia and the locals mistrust of the media. What´s your Niche? Lexia Frank on the joys and bussiness challenges of birth photography.