After a tough two years, can the Kimberley Process Certification Scheme make the changes necessary to win back public credibility?When people have a near-death experience, they sometimes talk about gaining a new lease on life. Perhaps the same will be true for the Kimberley Process.It’s no secret that the conflict-diamond prevention scheme came perilously close to disintegration during its two-year deadlock over whether to allow exports from the Marange region of Zimbabwe. At one point, the organization teetered on the brink of all-out civil war, when its former chair okayed exports from Marange, in contravention of the group’s rules on consensus. At another point, South Africa imported blocked Marange goods, in what many viewed as a violation of the rules.Finally, in November 2011, after a two-year blockade, the 76 nations that make up the Kimberley Process struck a deal to permit M