BEIRUT: Doubts were cast over the upcoming presidential election in Lebanon later this year, after Hezbollah’s Secretary-General Hassan Nasrallah called on Lebanese officials “to form a government that enjoys its full powers to assume its responsibilities, whether or not a new president is elected,” on Tuesday. It was the first time Nasrallah mentioned publicly the possibility of not holding the presidential elections, raising fears of a political vacuum in the crisis-stricken country, similar to that which preceded President Michel Aoun’s election in 2016, and which lasted over two years. Prime Minister Najib Mikati was tasked on June 23 with forming...