U.S.-Iran negotiations start in Pakistan

Direct negotiations between the U.S. and Iran with Pakistani mediation have started in Islamabad on Saturday, according to Iranian media reports. Why it matters: While the meeting itself is historic — the most high-level engagement between U.S. and Iranian officials since 1979 — the chances for success appear low. Both sides know the risk of failure is renewed war, but have clashing visions for peace.This is a breaking news story and will be updated