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Members of social organizations protest against the VI Summit of the Americas in Cartagena de Indias, Colombia and demand the closing of US prison in Guantanamo on April 14, 2012.

Shortly after President Obama took office in 2009, he vowed that he would close the Guantanamo Bay detention facility within a year. But as of now it remains open.

Joining us once again to talk about what's been happening of late at Gitmo is Mattathias Schwartz, a contributor for the New Yorker magazine who has been covering Guantanamo.