Lebanon may be headed for a power vacuum. Its current president leaves office Friday night and there's no one to replace him. Part of the stalemate is due to the Shiite militant group, Hezbollah. The World's Quil Lawrence explains.
Israeli troops on the northern border with Lebanon are on high alert after a drone attack in Beirut's southern suburbs. Israel has not claimed responsibility for the attack, but the Iranian-backed Lebanese militia, Hezbollah, is threatening imminent military action.