PEN America, a nonprofit that works to advance freedom of expression and speech in literature, has released a disturbing survey that finds American writers are not just increasingly worried about government surveillance as a result of the NSA - but also engaging in self-censorship. Out of the 528 PEN members who responded to the survey, ‘Fully 85% are worried about government surveillance of Americans, and 73% of writers have never been as worried about privacy rights and freedom of the press as they are today.