Russia says it will rejoin the agreement that guarantees safe passage for ships carrying vital grain exports from Ukraine, a move that may help ease concerns about global food supplies that were raised when Moscow suspended its participation in the pact. This comes after Turkish President Recep Tayyip Erdoğan spoke with Russian President Vladimir Putin to broker a deal. CNN's Isa Soares speaks with Turkish Presidential Spokesperson Ibrahim Kalin about this decision. #CNN #News