US Central Intelligence Agency Director Bill Burns will join hostage talks in Qatar on Friday as negotiators work toward a deal that would secure the release of hostages held in Gaza alongside a temporary ceasefire, sources familiar with the plans said on Thursday.The head of Israel’s Mossad intelligence service, David Barnea, will travel to Qatar Friday for the talks, Israeli prime minister’s office said in a statement on Thursday.Barnea will meet with Burns, Qatari Prime Minister Mohammed bin Abdulrahman Al-Thani and Egyptian Intelligence Minister Abbas Kamel, according to the…