The violent attacks on journalists at Charlie Hebdo and shoppers in a Jewish supermarket in Paris in January 2015 left seventeen dead and shocked the world. In the aftermath, the public struggles with unsettling questions: What is the cost of free expression? Do the world's major cities embrace multiculturalism? Is the broad range of proposed new security measures too intrusive? After the Paris Attacks brings together leading scholars and journalists to respond to this tragedy and to debate how we can reach a safer and saner future. In this timely book, experts from fields such as law, political science, and philosophy grapple with the vital challenges of balancing security, justice, and tolerance, and offer astute and penetrating insights into how the world can best respond to these challenges.