Disillusioned with North Korea, another diplomat defects

Ri Il-kyu served as a North Korean diplomat in Cuba, up until he decided to defect to South Korea late last year. The details of his account appeared in South Korean newspapers on Tuesday. Ri's defection is the latest in a string of officials fleeing from North Korea over the last several years, and it will be embarrassing for dictator Kim Jong-un. The World's Matthew Bell reports.