Domestic Surveillance has a Chilling Effect on Political Speech
"The fact that the government can now, at any time, access entire phone conversations, e-mail exchanges, and other communications from months or years past should frighten every American. But it mostly doesn't because the public has come to accept such intrusion into
their lives as a byproduct of ensuring public safety in a climate of fear, following such events as September 11, 2001, or the Boston Marathon bombing in 2013."