Tunisia’s President Kais Saied said Friday that he will run for a second term, making a long-expected announcement while many of his potential opponents languish in prison on charges their attorneys have described as politicized. The announcement about Saied’s candidacy in the October election was published on the presidency’s Facebook page after a busy week during which critics of Saied and his government have continued to face arrest, gag orders and other restrictions. The repressive measures have raised fears about the trajectory of the North African nation 13 years after…