The son of Libya’s longtime ruler Muammar Gaddafi has been given the go-ahead to run in the country’s upcoming presidential election, his lawyer said, a week after being disqualified for what Libyan authorities said were war crimes committed during the uprising against his father more than 10 years ago. Saif al-Islam Gaddafi’s lawyer, Khaled al-Zaydi, confirmed to Al Jazeera on …