The Arab Spring started in Tunisia and interestingly it is perhaps the only country where the Arab Spring succeeded. Its constitution is described as the most beautiful in the world. But surprisingly, it has an ugly side, breeding a constitutional impasse between the Head of Government and the President. This article in Constitutionnet is by Nidhal Mekki. Here is an excerpt:

After the adoption of the Tunisian Constitution on 27 January 2014, many welcomed the text and went so far as to describe it as “the most beautiful constitution in the world”. Today, such a statement would be greeted not only with disbelief but also with derision. The Constitution was hailed as an agreement between parties that did not see eye to eye on a number of issues: the system of government was a compromise between parties, but now represents one of its key weaknesses. This weakness, creating potential for deadlock, was pointed out at an early stage by a large number of policy makers and jurists, who argued for a constitutional amendment, especially regarding the system of government. The conundrum is that a weak and fragmented parliament has hampered the establishment of a Constitutional Court, which is necessary to amend the Constitution – and small parties represented in parliament will veto strengthening parliament as this will likely mean they will be out.

This link has the full story.