<h1>Presidential powers to be reduced through constitutional amendment, candidate pledges shared authority and limits on branch meddling.</h1> Former prime minister will run for president and seek a constitutional amendment to reduce concentrated presidential authority by establishing formal power sharing between the presidency and the National Assembly based on checks and balances, including prohibitions on interbranch meddling; he proposes a shortened initial term to carry out reforms and emphasizes using his economic and trade experience to address international trade disputes.