Cute cartoon, but not serious even within the realm of satire.
There does have to be a process put in place to see which of the remaining detainees really pose no threat and shouldn't have been there in the first place, which deserved to be detained but should be tried on the evidence against them, and which may be truly dangerous but face uncertain prosecutions due to key evidence that the Bush administration obtained through torture rendering such evidence inadmissible.
Jane Mayer has an article
in a recent New Yorker on the topic. An excerpt:
"A number of national-security lawyers in both parties favor the creation of some new form of preventive detention. They do not believe that it is the President