By Patrick Poole

Last week’s terror attack targeting French magazine Charlie Hebdo‘s office in Paris has sparked a global conversation about the nature of free speech, with the “Je Suis Charlie” hashtag in support of the murdered Charlie Hebdo staff going viral and becoming the most used hashtag in the history of Twitter.

MORE: http://pjmedia.com/tatler/2015/01/12/organization-of-islamic-cooperation-calls-for-more-speech-codes-defamation-laws-in-wake-of-charlie-hebdo-attack/