As soon as images of and links to the graphic video of James Foley's beheading by ISIS terrorists surfaced, social media sites began taking them down and blocking users posting the content. But whether the images should be published -- or blocked -- at all is a complex mix of ethics and a right to know.
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Many conservatives argue that because Duck Dynasty's Phil Robertson has been argued for his racist and anti-gay comments, his free speech is under attack, but there's no evidence to support that claim.