'I'm filled with joy': Colombians celebrate as dream of peace comes step closer to reality

Hundreds of people crowd the steps of Museo de Antioquia, Medellín's largest museum. From a distance, they're loud and holding white flags high in the air. But move closer and you see their pure joy. Drums rage. People embrace. A conga line even starts up. They're convinced Colombia's 52-year war is about to end.