GZERO World Clips

There are many reasons for a government to classify information. The US does not want Vladimir Putin getting his hands on our nuclear codes, for example. An estimated 50 million documents are classified every year, though the exact number is unknown—not because it’s classified, but because the government just can’t keep track of it all. But in the words of the former US Solicitor General Erwin Griswold, some “secrets are not worth keeping.”