Colonial-era diamond giant De Beers is up for sale — now former colonies like Botswana want a stake

If you don't know the diamond company De Beers, you probably know its slogan: "A diamond is forever." The company - co-founded by British imperialist Cecil Rhodes - has, however, lost its luster in recent years. Now up for sale, former African colonies are looking to buy the company that long profited from their diamond mines - including Botswana, whose economy has long relied on the industry. The World's Host Marco Werman learns more from Joel Konopo, the co-founder of the INK Centre for Investigative Journalism, in Botswana's capital, Gaborone.