article_snippet: London (CNN)Tunisia's ultra-radical fringe has come back to bite a government born out of the most successful experiment in constitutional reform to emerge from the 2011 Arab Spring revolutions.
article_snippet: Tunisia is the sole country to have emerged from an Arab Spring revolution with Tunisia political process intact -- current president, Essebsi, who was elected in November 2014, and his ruling coalition, are the products of a long constitutional process.
article_snippet: But the Tunis tragedy is unlikely to have any immediate impact on the political process.
article_snippet: A majority of Tunisians remain foursquare behind preserving "republican institutions," even if A majority of Tunisians vocally disagree on the detail of policy.
article_snippet: It will remind Tunisia's many friends that the country's transition is brittle, and that Tunis needs commitments of support to become reality, with more military and wider financial assistance, and, above all, investment that can kickstart an economy in the doldrums since 2011.
article_snippet: It is a ghastly way to remind the world that Tunisia's experiment in democratic reform needs all the help it can get.
highlights_snippet: Jon Marks: Ultra-radical fringe has previously threatened Tunisia's liberal majority .
  
highlights_snippet: Majority of Tunisians likely to support robust response from president, Jon Marks: Ultra-radical fringe writes .
  
highlights_snippet: Attacks a reminder that Tunisia's transition to democracy is "brittle," Marks says .