Colombia Votes No: Back to civil war or prelude to a better bargain? (part 2)

Is it back to civil war for Colombia? Or was Sunday's shock rejection of the deal to end 60 years of fighting with FARC rebels the prelude to a better bargain? We'll ask why voters failed by a narrow margin to approve the agreement. Where does it leave a Marxist guerrilla movement that for now insists it's still sticking by the deal? And what next for President Santos? Does he resign à la David Cameron after Brexit or can he forge a consensus with the no camp?