One year after the Paris attacks, how has Hollande changed?

After a week of commemorations for the victims of the January Paris attacks, how has the tragedy changed President François Hollande? And how it has reshaped the political landscape? Some of his choices to combat terrorism have outraged the left wing. There is now a call for an open primary contest between those wishing to stand in the 2017 presidential election, and that could well include Hollande himself.