The leader of Syria's rebels who toppled President Bashar Assad last month was named the country's interim president on Wednesday as former insurgents cancelled the existing constitution, saying a new charter would be drafted soon. The appointment of Ahmad al-Sharaa, a rebel once aligned with al-Qaida, as Syria's president in the transitional phase, came after a meeting of the former insurgent factions in Damascus, the Syrian capital. The announcement was made by the spokesperson for Syria's new, de facto government's military operations sector, Col. Hassan Abdul Ghani, the state-run SANA news agency said. Al-Sharaa had been expected to appear in a televised speech following the meeting, but did not immediately do so, and it remained unclear if he would. The exact mechanism under which the factions selected him as interim president was also not clear. Al-Sharaa, formerly known as Abu Mohammed al-Golani, is the leader of Hayat Tahrir al-Sham, an Islamist former insurgent group that