Man is certainly free, but he is responsible for this freedom before God as before men. This responsibility is inevitably moral. In order of this morality, to be free is to protect the freedom of others and their dignities.
Don’t nurture a sense of guilt; rather, nurture a sense of responsibility married with a sense of humility.
You cannot limit the debate to being solely in favour or against. It should be more complex. When you condemn, you need to understand what led to it. In general, if it is our responsibility to condemn terrorist actions after they had happened, we have an even greater responsibility beforehand to make sure they won't happen.
Tunisia's responsibility, and especially that of its political and intellectual elites, is enormous. All the protagonists of the nation's social, cultural, economic and political life must work to overcome useless and counterproductive polarisation, and to find solutions to domestic, regional and international problems.