The New Yorker has “an article”:http://www.newyorker.com/reporting/2008/11/24/081124fa_fact_bilger?currentPage=all on craft beer, specifically on Dogfish Head:

bq. “I looked around and saw three breweries basically ruling the United States,” he told me. All but one per cent of the beer sold in the U.S. was still made by Miller, Coors, and Anheuser-Busch, along with mid-sized and foreign breweries such as Pabst and Heineken. And while craft breweries made wonderful beer, they were mostly focussed on classic German and British styles, such as pale ale and Pilsner. Calagione had something else in mind. “I’d read a copy of Michael Jackson’s ‘World Guide to Beer,’ and I thought, Holy shit! There are people out there making beer with fruit! There are Scottish ales made with heather flowers! Maybe I can make a living making beer that isn’t like anything else.” It was an opportunity to play David to the beer industry’s Goliaths, he says. “It was the same kind of thing that got me kicked out of prep school.”